Exception LCX_PROGRAM_ERROR In Method LCL_FUNCTIONAL=>ARGNAMES_GET

Exception LCX_PROGRAM_ERROR In Method LCL_FUNCTIONAL=>ARGNAMES_GET

Symptom

After you have updated the interface of a customer (Z) formula function, any execution of Rainbow variant which makes use of this formula function leads to runtime error due to uncaught exception LCX_PROGRAM_ERROR in method LCL_FUNCTIONAL=>ARGNAMES_GET.

Reason

The interfaces (parameters) of formula functions are being saved in cache.
In case the interface in cache doesn't match the actual method interface, runtime error may occur.

Solution

After any update of the interface (parameters) of the method formula function, the cache must be refreshed.
In customizing Define Formula Functions, select the record of the formula function and press Refresh cache.


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