Expected '@'
You attempted to create a variable to be used with conditional compilation statements using the @set statement, but did not place an at sign "@" before the variable name.
To correct this error
Add an at sign "@" immediately before the variable name. For example:
@set @myvar = 1
See Also
Reference
Concepts
Conditional Compilation (JScript 5.6)
Conditional Compilation Variables (JScript 5.6)