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Because the if clauses were a string of else/ifs, the red squigglies were shown for the else following an if statement terminated with a semi-colon. In that case, the following else became an 'else...

The code you posted does not need to be run on a server and has at least one error that would prevent it from compiling and running. Around line 79 (in my editor, +2 in yours?), you began adding ';'...

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