ssdbvarrenamecaseerror

[User Error] Couldn't run query: ALTER TABLE "HomePage" ADD "Middlebar" mediumtext character set utf8 collate utf8_general_ci Duplicate column name 'Middlebar'
GET /dev/build?isDevtoken=503eef16799e46d23f2e5ad06964a9d1&isDev=1
Line 598 in /home/SOMEUSER/public_html/framework/model/MySQLDatabase.php
Source
589 	}
590
591 	public function databaseError($msg, $errorLevel = E_USER_ERROR) {
592 		// try to extract and format query
593 		if(preg_match('/Couldn\'t run query: ([^\|]*)\|\s*(.*)/', $msg, $matches)) {
594 			$formatter = new SQLFormatter();
595 			$msg = "Couldn't run query: \n" . $formatter->formatPlain($matches[1]) . "\n\n" . $matches[2];
596 		}
597
598 		user_error($msg, $errorLevel);
599 	}
600
601 	/**
602 	 * Return a boolean type-formatted string
603 	 *
604 	 * @param array $values Contains a tokenised list of info about this data type
Trace
Couldn't run query: ALTER TABLE "HomePage" ADD "Middlebar" mediumtext character set utf8 collate utf8_general_ci Duplicate column name 'Middlebar'
MySQLDatabase.php:598
MySQLDatabase->databaseError(Couldn't run query: ALTER TABLE "HomePage" ADD "Middlebar" mediumtext character set utf8 collate utf8_general_ci | Duplicate column name 'Middlebar',256)
MySQLDatabase.php:150
MySQLDatabase->query(ALTER TABLE "HomePage" ADD "Middlebar" mediumtext character set utf8 collate utf8_general_ci)
MySQLDatabase.php:320
MySQLDatabase->alterTable(HomePage,Array,Array,Array,Array,,)
Database.php:223
SS_Database->endSchemaUpdate()
DatabaseAdmin.php:215
DatabaseAdmin->doBuild(,1)
DatabaseAdmin.php:100
DatabaseAdmin->build()
DatabaseAdmin.php:80
DatabaseAdmin->index(SS_HTTPRequest)
RequestHandler.php:288
RequestHandler->handleAction(SS_HTTPRequest,index)
Controller.php:194
Controller->handleAction(SS_HTTPRequest,index)
RequestHandler.php:200
RequestHandler->handleRequest(SS_HTTPRequest,DataModel)
Controller.php:153
Controller->handleRequest(SS_HTTPRequest,DataModel)
DevelopmentAdmin.php:146
DevelopmentAdmin->build(SS_HTTPRequest)
RequestHandler.php:288
RequestHandler->handleAction(SS_HTTPRequest,build)
Controller.php:194
Controller->handleAction(SS_HTTPRequest,build)
RequestHandler.php:200
RequestHandler->handleRequest(SS_HTTPRequest,DataModel)
Controller.php:153
Controller->handleRequest(SS_HTTPRequest,DataModel)
Director.php:367
Director::handleRequest(SS_HTTPRequest,Session,DataModel)
Director.php:153
Director::direct(/dev/build,DataModel)
main.php:176