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このトピックに関するすべてのスレッドをスキャンした後、どのアドバイスも問題を解決していません。奇妙なことに、この問題は明らかな理由がないように思われる理由で突然表面化しただけです。昨夜はうまくいきました。

ナビゲーションは基本的に次のとおりです。

                   /-Navigation Controller -> View -> View (this last connection doesn't fire. Pushing the "next" button results in nothing.
                  /
TabBarController ---- Navigation Controller -> View -> View (works)
                 \
                  \
                   \-Same as above. (works)

私が知る限り、セットアップは同一であり、問​​題のあるビューと接続を削除/クリーニング/再構築するという忙しい作業を行ってきましたが、成功しませんでした。

これは、ストーリーボードの XML からの (うまくいけば) 関連するセクションです。

       <!--TDC2-->
    <scene sceneID="ing-Ye-PVs">
        <objects>
            <viewController id="dNt-CQ-X0M" customClass="TDC2" sceneMemberID="viewController">
                <view key="view" contentMode="scaleToFill" id="ZIK-gx-Nq4">
                    <rect key="frame" x="0.0" y="20" width="320" height="460"/>
                    <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
                    <subviews>
                        <textField opaque="NO" clipsSubviews="YES" contentMode="scaleToFill" contentHorizontalAlignment="left" contentVerticalAlignment="center" borderStyle="line" placeholder="Trip Number" textAlignment="center" minimumFontSize="17" translatesAutoresizingMaskIntoConstraints="NO" id="xbU-au-gtQ">
                            <constraints>
                                <constraint firstAttribute="height" constant="43" id="iMS-ez-xo8"/>
                            </constraints>
                            <fontDescription key="fontDescription" type="system" pointSize="14"/>
                            <textInputTraits key="textInputTraits" keyboardType="numberPad"/>
                            <connections>
                                <outlet property="delegate" destination="dNt-CQ-X0M" id="DU2-gu-IxO"/>
                            </connections>
                        </textField>
                        <textField opaque="NO" clipsSubviews="YES" contentMode="scaleToFill" contentHorizontalAlignment="left" contentVerticalAlignment="center" borderStyle="line" placeholder="Departure" textAlignment="center" minimumFontSize="17" translatesAutoresizingMaskIntoConstraints="NO" id="B5M-Ti-5nL">
                            <constraints>
                                <constraint firstAttribute="height" constant="43" id="aUt-lR-eT8"/>
                            </constraints>
                            <fontDescription key="fontDescription" type="system" pointSize="14"/>
                            <textInputTraits key="textInputTraits"/>
                            <connections>
                                <outlet property="delegate" destination="dNt-CQ-X0M" id="XyV-Of-fnR"/>
                            </connections>
                        </textField>
                        <textField opaque="NO" clipsSubviews="YES" contentMode="scaleToFill" contentHorizontalAlignment="left" contentVerticalAlignment="center" borderStyle="line" placeholder="Out Fuel" textAlignment="center" minimumFontSize="17" translatesAutoresizingMaskIntoConstraints="NO" id="yxx-QE-lRo">
                            <constraints>
                                <constraint firstAttribute="height" constant="43" id="i11-f6-Kco"/>
                            </constraints>
                            <fontDescription key="fontDescription" type="system" pointSize="14"/>
                            <textInputTraits key="textInputTraits"/>
                            <connections>
                                <outlet property="delegate" destination="dNt-CQ-X0M" id="SPC-XB-pOD"/>
                            </connections>
                        </textField>
                        <textField opaque="NO" clipsSubviews="YES" contentMode="scaleToFill" contentHorizontalAlignment="left" contentVerticalAlignment="center" borderStyle="line" placeholder="Start Hobbs" textAlignment="center" minimumFontSize="17" translatesAutoresizingMaskIntoConstraints="NO" id="wAx-ux-6y5">
                            <constraints>
                                <constraint firstAttribute="height" constant="43" id="la9-aF-SWs"/>
                            </constraints>
                            <fontDescription key="fontDescription" type="system" pointSize="14"/>
                            <textInputTraits key="textInputTraits" keyboardType="numberPad"/>
                            <connections>
                                <outlet property="delegate" destination="dNt-CQ-X0M" id="4UI-cl-zxC"/>
                            </connections>
                        </textField>
                        <segmentedControl opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="left" contentVerticalAlignment="top" segmentControlStyle="plain" selectedSegmentIndex="0" translatesAutoresizingMaskIntoConstraints="NO" id="PXM-z4-ndS">
                            <segments>
                                <segment title="PIC"/>
                                <segment title="SIC"/>
                            </segments>
                        </segmentedControl>
                        <label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="left" text="Who is flying?" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="frD-Qe-Ib9">
                            <fontDescription key="fontDescription" type="system" pointSize="17"/>
                            <color key="textColor" cocoaTouchSystemColor="darkTextColor"/>
                            <nil key="highlightedColor"/>
                        </label>
                        <label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="left" text="Trip" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="Fuc-2m-9Zy">
                            <constraints>
                                <constraint firstAttribute="width" constant="30" id="7cK-5c-HM9"/>
                            </constraints>
                            <fontDescription key="fontDescription" type="system" pointSize="17"/>
                            <color key="textColor" cocoaTouchSystemColor="darkTextColor"/>
                            <nil key="highlightedColor"/>
                        </label>
                        <label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="left" text="Depart" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="uvI-4w-aME">
                            <fontDescription key="fontDescription" type="system" pointSize="17"/>
                            <color key="textColor" cocoaTouchSystemColor="darkTextColor"/>
                            <nil key="highlightedColor"/>
                        </label>
                        <label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="left" text="Fuel" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="fY7-7H-utj">
                            <fontDescription key="fontDescription" type="system" pointSize="17"/>
                            <color key="textColor" cocoaTouchSystemColor="darkTextColor"/>
                            <nil key="highlightedColor"/>
                        </label>
                        <label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="left" text="Hobbs" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="WI2-MH-Xfw">
                            <fontDescription key="fontDescription" type="system" pointSize="17"/>
                            <color key="textColor" cocoaTouchSystemColor="darkTextColor"/>
                            <nil key="highlightedColor"/>
                        </label>
                    </subviews>
                    <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/>
                    <gestureRecognizers/>
                    <constraints>
                        <constraint firstItem="fY7-7H-utj" firstAttribute="centerY" secondItem="yxx-QE-lRo" secondAttribute="centerY" type="default" id="33E-Ci-sZT"/>
                        <constraint firstAttribute="trailing" secondItem="B5M-Ti-5nL" secondAttribute="trailing" constant="20" symbolic="YES" type="default" id="4YK-YK-l5r"/>
                        <constraint firstItem="fY7-7H-utj" firstAttribute="baseline" secondItem="yxx-QE-lRo" secondAttribute="baseline" type="default" id="4eX-Xh-6rd"/>
                        <constraint firstItem="wAx-ux-6y5" firstAttribute="top" secondItem="yxx-QE-lRo" secondAttribute="bottom" constant="8" symbolic="YES" type="default" id="4pq-KW-vdv"/>
                        <constraint firstItem="B5M-Ti-5nL" firstAttribute="top" secondItem="xbU-au-gtQ" secondAttribute="bottom" constant="8" symbolic="YES" type="default" id="6Dc-8Z-L4q"/>
                        <constraint firstItem="yxx-QE-lRo" firstAttribute="top" secondItem="B5M-Ti-5nL" secondAttribute="bottom" constant="8" symbolic="YES" type="default" id="7HV-va-Jwi"/>
                        <constraint firstItem="Fuc-2m-9Zy" firstAttribute="leading" secondItem="ZIK-gx-Nq4" secondAttribute="leading" constant="42" id="90D-A5-UCb"/>
                        <constraint firstItem="frD-Qe-Ib9" firstAttribute="centerX" secondItem="PXM-z4-ndS" secondAttribute="centerX" type="default" id="9Df-Ov-WRu"/>
                        <constraint firstItem="frD-Qe-Ib9" firstAttribute="top" secondItem="wAx-ux-6y5" secondAttribute="bottom" constant="8" symbolic="YES" type="default" id="ERP-rE-3ih"/>
                        <constraint firstAttribute="trailing" secondItem="yxx-QE-lRo" secondAttribute="trailing" constant="20" symbolic="YES" type="default" id="Ibi-pB-iAX"/>
                        <constraint firstItem="WI2-MH-Xfw" firstAttribute="centerY" secondItem="wAx-ux-6y5" secondAttribute="centerY" type="default" id="JXF-d6-wg8"/>
                        <constraint firstAttribute="trailing" secondItem="PXM-z4-ndS" secondAttribute="trailing" constant="20" symbolic="YES" type="default" id="K0y-pX-ZFf"/>
                        <constraint firstItem="wAx-ux-6y5" firstAttribute="leading" secondItem="WI2-MH-Xfw" secondAttribute="trailing" constant="8" symbolic="YES" type="default" id="P6r-KM-Uj7"/>
                        <constraint firstItem="Fuc-2m-9Zy" firstAttribute="centerY" secondItem="xbU-au-gtQ" secondAttribute="centerY" type="default" id="RhF-sp-4Ru"/>
                        <constraint firstItem="xbU-au-gtQ" firstAttribute="leading" secondItem="B5M-Ti-5nL" secondAttribute="leading" type="default" id="Rx5-ms-1N7"/>
                        <constraint firstAttribute="trailing" secondItem="wAx-ux-6y5" secondAttribute="trailing" constant="20" symbolic="YES" type="default" id="Tth-zq-zVg"/>
                        <constraint firstItem="PXM-z4-ndS" firstAttribute="leading" secondItem="ZIK-gx-Nq4" secondAttribute="leading" constant="20" symbolic="YES" type="default" id="Z1c-rB-axa"/>
                        <constraint firstItem="Fuc-2m-9Zy" firstAttribute="baseline" secondItem="xbU-au-gtQ" secondAttribute="baseline" type="default" id="aU1-zo-HBe"/>
                        <constraint firstItem="xbU-au-gtQ" firstAttribute="top" secondItem="ZIK-gx-Nq4" secondAttribute="top" constant="20" symbolic="YES" type="default" id="e3G-YD-OOE"/>
                        <constraint firstItem="wAx-ux-6y5" firstAttribute="leading" secondItem="yxx-QE-lRo" secondAttribute="leading" type="default" id="fpp-at-Fis"/>
                        <constraint firstItem="yxx-QE-lRo" firstAttribute="leading" secondItem="fY7-7H-utj" secondAttribute="trailing" constant="8" symbolic="YES" type="default" id="ifT-MI-4hR"/>
                        <constraint firstAttribute="trailing" secondItem="xbU-au-gtQ" secondAttribute="trailing" constant="20" symbolic="YES" type="default" id="jNt-zD-oTI"/>
                        <constraint firstItem="uvI-4w-aME" firstAttribute="baseline" secondItem="B5M-Ti-5nL" secondAttribute="baseline" type="default" id="kmY-Ol-p7p"/>
                        <constraint firstItem="yxx-QE-lRo" firstAttribute="leading" secondItem="B5M-Ti-5nL" secondAttribute="leading" type="default" id="mI4-Zu-iNP"/>
                        <constraint firstItem="PXM-z4-ndS" firstAttribute="top" secondItem="frD-Qe-Ib9" secondAttribute="bottom" constant="8" symbolic="YES" type="default" id="qGW-ek-yZd"/>
                        <constraint firstItem="uvI-4w-aME" firstAttribute="top" secondItem="ZIK-gx-Nq4" secondAttribute="top" constant="81" id="uaR-8Y-5QN"/>
                        <constraint firstItem="xbU-au-gtQ" firstAttribute="leading" secondItem="Fuc-2m-9Zy" secondAttribute="trailing" constant="8" symbolic="YES" type="default" id="ujE-gd-4M9"/>
                        <constraint firstItem="uvI-4w-aME" firstAttribute="leading" secondItem="ZIK-gx-Nq4" secondAttribute="leading" constant="20" symbolic="YES" type="default" id="w3k-jd-ax9"/>
                    </constraints>
                </view>
                <navigationItem key="navigationItem" id="2nj-Ip-nf5">
                    <barButtonItem key="leftBarButtonItem" title="Back" id="tVS-8H-FUI"/>
                    <barButtonItem key="rightBarButtonItem" title="Next" id="1JK-F2-zOK"/>
                </navigationItem>
                <connections>
                    <outlet property="departure" destination="B5M-Ti-5nL" id="AWa-Ws-aD3"/>
                    <outlet property="outFuel" destination="yxx-QE-lRo" id="K6r-M4-Rlz"/>
                    <outlet property="startHobbs" destination="wAx-ux-6y5" id="Dyn-O8-9Hh"/>
                    <outlet property="tripNumber" destination="xbU-au-gtQ" id="AZA-T4-Izz"/>
                    <outlet property="whosFlying" destination="PXM-z4-ndS" id="VKX-zm-stJ"/>
                    <segue destination="VZ0-Ck-hG8" kind="push" id="pCS-hs-xSz"/>
                </connections>
            </viewController>
            <placeholder placeholderIdentifier="IBFirstResponder" id="Gtn-Vk-tyE" userLabel="First Responder" sceneMemberID="firstResponder"/>
        </objects>
        <point key="canvasLocation" x="1133" y="740"/>
    </scene>
    <!--View Controller-->
    <scene sceneID="6on-A1-vuU">
        <objects>
            <viewController id="VZ0-Ck-hG8" sceneMemberID="viewController">
                <view key="view" contentMode="scaleToFill" id="YmM-zs-zBh">
                    <rect key="frame" x="0.0" y="20" width="320" height="460"/>
                    <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
                    <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/>
                </view>
                <navigationItem key="navigationItem" id="g9K-Xz-a2H"/>
            </viewController>
            <placeholder placeholderIdentifier="IBFirstResponder" id="UYI-Pa-J93" userLabel="First Responder" sceneMemberID="firstResponder"/>
        </objects>
        <point key="canvasLocation" x="1670" y="745"/>
    </scene> 
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