Message type: E = Error
Message class:  CNV_10510 - Message class for package 40300 (ANLKL) 
Message number: 012
Message text: Field RUNID (only two digits) has reached the maximum value (99)
There is an entry in table FAGL_BSBW_HST_BL for which the maximum value
of field RUNID has been reached, or will be reached soon.
During the merge, this issue can lead to an overflow.
Note that this error can also occur the next time that you evaluate
foreign currencies.
Either you can decide that this issue does not affect the upcoming merge
(that is, the listed company code does not participate in the merge) or
you have to reorganize this table by using an activity from the new G/L
application. We recommend that you contact SAP for support.
You can find the relevant entries by selecting records that have a value
in the RUNID field that is greater than 90.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message CNV_10510012 indicates that the field RUNID, which is designed to hold a two-digit value, has reached its maximum limit of 99. This error typically occurs in the context of data migration or conversion processes, particularly when using SAP's data migration tools.
Cause: The RUNID field is often used to identify different runs of a migration or conversion process. Since it is limited to two digits, it can only hold values from 00 to 99. Once the process has been executed 100 times (or more), the field cannot accommodate any further runs, leading to this error.
Solution: To resolve this issue, you can take the following steps: Reset the RUNID: If possible, reset the RUNID counter. This may involve clearing previous migration runs or adjusting the configuration to allow for a new set of runs. Modify the Configuration: If you have control over the migration tool's configuration, check if there is an option
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