G/L account & cannot be used (please correct)

What causes this issue?

Comparison of the field selection strings from the <GL:G/L_account>G/L
account</> &V1& and the account assignment category &V2& reveals that
there is an incompatible combination of field selections for the
field selection group '&V3&'.
The G/L account field selection is stored in table T004F; that for the
account assignment is stored in table T162K.

How to fix this error?

Please enter a correct G/L account.

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