Credit check SAP Credit Management failed (unable to save) &1 &2

Results of credit limit check:

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

&V3&
___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___
| | | | | | | | | | | |
| | | | | | | | | | | ----> SAP Credit Management
| | | | | | | | | | ------> User-Exit 3
| | | | | | | | | --------> User-Exit 2
| | | | | | | | ----------> User-Exit 1
| | | | | | | ------------> Max. Dunning Level
| | | | | | --------------> Oldest Open Item
| | | | | ----------------> Open Items
| | | | ------------------> Next Check Date
| | | --------------------> Crit. Fields
| | ----------------------> Amount
| ------------------------> Dyn. Credit Limit Check
--------------------------> Stat. Credit Limit Check
' ' - Check Deactivated
'OK ' - Check Successful
'NOK' - Check Result Negative

Error message extract from SAP system. Copyright SAP SE.