A1106: Undeclared user defined symbol: <Symbol>. Symbol name is expected as macro argument

[ERROR]

Description

This message occurs in macro for undefined symbols. The symbol is being evaluated in braces({}).

Example:
  clear: MACRO

  label{\1}  EQU 1

          ENDM

  ; code section

  MyCode:     SECTION

  main:

       clear  tmp
  

tmp symbol is undefined and the error is thrown.