No operator description
One of the following occurred:
- You tried to invoke a binary method using the specified binary operator syntax, and a binary operator method with the specified name, parameter types, and return type does not exist.
- A built‑in operator other than ==, !=, .EQ., .EQS., .NE., or .NES. was used with a base type (@*) or an explicit boxed type (@d, @i, @a, or @struct).
- You tried to use ^INCR or ^DECR with a variable type that doesn’t support increment or decrement operations.