Message type: E = Error
Message class:  USMDZ10 - Message Class for MDG-F BOL/genIL UI related texts 
Message number: 033
Message text: Cost element categories have been reset.
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The SAP error message USMDZ10033, which states "Cost element categories have been reset," typically occurs in the context of the SAP system when there are issues related to cost element master data, particularly in the context of controlling (CO) or financial accounting (FI) modules.
Cause: Data Migration or Changes: This error can occur during data migration or when changes are made to cost element categories in the system. If the cost element categories are modified or reset, it can lead to inconsistencies in the data.
Configuration Issues: Incorrect configuration of cost element categories in the system can also trigger this error. This may happen if the cost element categories are not properly defined or if there are missing entries. Master Data Issues: If there are issues with the master data related to cost elements, such as missing or incorrect entries, it can lead to this error message.
Solution: Check Configuration: Review the configuration settings for cost
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