mysql - MySQL でスローされるエラー 1005

Question

5 つの create tables ステートメントを実行しようとしています。それらのうちの 3 つは、私が宣言した外部キ​​ーで正常に動作していますが、テーブル'generalweather'と'userreg'はエラー 1005 をスローしています。エラーを探していますが、どこにも見つかりません。これら 2 つの create table ステートメントの何が問題になっていますか? (私のデフォルトのスキーマは「テスター」というタイトルです)

 CREATE TABLE `coastal` (
  `Date` varchar(50) NOT NULL,
  `Time` varchar(50) NOT NULL DEFAULT '',
  `AM/PM` varchar(45) NOT NULL,
  `Location` varchar(50) NOT NULL DEFAULT '',
  `Tide Description` varchar(50) DEFAULT NULL,
  `Estimated Swell(ft)` int(11) DEFAULT NULL,
  `Wind Speed(mph)` int(11) DEFAULT NULL,
  `Wind Direction` varchar(45) DEFAULT NULL,
  `Visibility (%)` varchar(50) DEFAULT NULL,
  PRIMARY KEY (`Date`,`Time`,`Location`,`AM/PM`),

  CONSTRAINT `coastalFK`
  FOREIGN KEY (Date, Time, Location, `AM/PM`)
  REFERENCES tester.locations (Date, Time, Location, `AM/PM`)
  ON DELETE NO ACTION
  ON UPDATE NO ACTION,

  INDEX `DateFK_idx` (`Date` ASC) , 
  INDEX `TimeFK_idx` (`Time` ASC) ,
  INDEX `AM/PMFK_idx` (`AM/PM` ASC) , 
  INDEX `LocationFK_idx` (`Location` ASC)
);


CREATE TABLE `generalweather` (
`Date` varchar(50) NOT NULL,
`Location` varchar(50) NOT NULL,
`ClimateDescription` varchar(50) NOT NULL DEFAULT '',
`Average Temperature(F)` int(11) DEFAULT NULL,
`Elevation(ft)` varchar(50) DEFAULT NULL,
`Recommended Activity` varchar(50) DEFAULT NULL,
PRIMARY KEY (`Date`,`Location`,`ClimateDescription`),

CONSTRAINT `generalweatherFK`
FOREIGN KEY (Date, Location)
REFERENCES tester.locations (Date, Location)
ON DELETE NO ACTION
ON UPDATE NO ACTION,

INDEX `DateFK_idx` (`Date` ASC) , 
INDEX `LocationFK_idx` (`Location` ASC)
);


CREATE TABLE `locations` (
`Date` varchar(50) NOT NULL DEFAULT '',
`Time` varchar(50) NOT NULL DEFAULT '',
`AM/PM` varchar(45) NOT NULL,
`Location` varchar(50) NOT NULL DEFAULT '',
`Location Type` varchar(50) DEFAULT NULL,
`Temperature (F)` varchar(45) DEFAULT NULL,
PRIMARY KEY (`Date`,`Time`,`Location`,`AM/PM`)
);


CREATE TABLE `precipitation` (
`Date` varchar(50) NOT NULL,
`Time` varchar(50) NOT NULL DEFAULT '',
`AM/PM` varchar(45) NOT NULL,
`Location` varchar(50) NOT NULL DEFAULT '',
`Precipitation Chance (%)` text,
`Wind Speed(mph)` int(11) DEFAULT NULL,
`Wind Direction` varchar(50) DEFAULT NULL,
`Visibility (%)` varchar(50) DEFAULT NULL,
`Humidity (%)` varchar(50) DEFAULT NULL,
PRIMARY KEY (`Date`,`Time`,`AM/PM`,`Location`),
CONSTRAINT `DateFK`
FOREIGN KEY (Date, Time, Location, `AM/PM`)
REFERENCES tester.locations (Date, Time, Location, `AM/PM`)
ON DELETE NO ACTION
ON UPDATE NO ACTION,

INDEX `DateFK_idx` (`Date` ASC) , 
INDEX `TimeFK_idx` (`Time` ASC) ,
INDEX `AM/PMFK_idx` (`AM/PM` ASC) , 
INDEX `LocationFK_idx` (`Location` ASC)
);


CREATE TABLE `userreg` (
`User Name` varchar(50) NOT NULL DEFAULT '',
`Real Name` varchar(50) DEFAULT NULL,
`Email address` varchar(50) DEFAULT 'NONE ON FILE',
`Location` varchar(50) NOT NULL,
PRIMARY KEY (`User Name`),

CONSTRAINT `userregFK`
FOREIGN KEY (`Location`)
REFERENCES tester.locations (`Location`)
ON DELETE NO ACTION
ON UPDATE NO ACTION,

INDEX `LocationFK_idx` (`Location` ASC)
);