
Hi, I am going through AIMMS FOUNDATION COURSE, where trainer asked to declare Set Index as 1, 12 when i am doing that getting error that “The symbol '1' is not expected but a symbol like 'identifier' is expected.”

Hi, I am going through AIMMS FOUNDATION COURSE, where trainer asked to declare Set Index as 1, 12 when i am doing that getting error that “The symbol '1' is not expected but a symbol like 'identifier' is expected.”
Best answer by deannezhang
It is letter “l” in the course, not number 1, and as the error message indicates, an identifier in AIMMS, can only start with a letter or an underscore.
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