SAP Message 5F526 - Ind. val. FSPEC can not be used to valuate the wage type (T5F42/T5F1K)

Diagnosis
An error occurred during the indirect valuation of the wage type usedfor contracts giving entitlement to a special exemption ofcontributions.
Indirect valuation for special contracts is carried out via HR_IV_FSPECimplementation of the DO_INDIRECT_VALUATION method.
This method uses the HR_FR_PROCESS_CONTRAT_SPECIAL function which isbased on your table T5F1K settings 'Calculation bases for exemptionof contributions for special contracts? (FR )'.

System Response

If the system has not located an entry in table T5F1K, the message

is for information purposes only. This is normal if you do not wish

to valuate the minimum wage in a special case.

If the system is not able to calculate a minimum wage for the contract
in question with the data in table T5F1K, the message is a blockinganomaly.

Procedure
Check table T5F1K settings in order to define the mode of calculationof the minimum wage.