SAP Message AU112 - Incorrect +/- sign rule found

Diagnosis
In depreciation area &V2& for chart of depreciation &V1&, the+/- sign rule for '&V3&' is incorrectly defined.
Only the signs '0', '-', '+' and '*' are allowed, however, the systemfound the entry '&V4'.

Procedure
Change the relevant settings in the Implementation Guide.