'<name>' is not a type identifier <name>不是类型标识符
'<name>' not previously declared as a PROPERTY <name>前面没有说明PROPERTY
'GOTO <label>' leads into or out of TRY statement GOTO <label>进入或超出TRY语句的范围
<clause1> clause expected, but <clause2> found 要求子句<clause1>，但出现<clause2>
