RVKRED06 - Background jobs for checking blocked credit management.
If an order is no longer outside the horizon as defined in the dynamic credit check, (i.e. it is INSIDE the horizon) it can cause existing "good" orders to block. If you run this job every night, if you have your horizon set for 1 month it can cause a lot of blocks at beginning of month. Try to use 'W' for weekly horizon status.

RFDKLI10 - Customers With Missing Credit Data

RFDKLI20 - Reset Credit Limit for Customers

RVKRED77 - Reorganize SD credit data
When updating errors occur, it enables you to reorganize the open credit, delivery and billing document values.

RVKRED08 -  Checking sales documents which reach the credit horizon
You should runs this report periodically, usually at the start of a period. The report checks all the sales documents, which reach the dynamic credit check horizon. The period for the ‘date of the next credit check’ is proposed from the current date, with the help of the period split for open sales order values.

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