Message type: E = Error
Message class:  /CUM/ORDER -  
Message number: 059
Message text: No more settlement rules in order & to be maintained!
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The SAP error message /CUM/ORDER059 indicates that there are no more settlement rules available for the order in question, and it needs to be maintained. This error typically occurs in the context of controlling (CO) and project systems (PS) when trying to settle costs from an order or project.
Cause: Missing Settlement Rules: The order or project does not have any defined settlement rules. Settlement rules are necessary for the system to know how to allocate costs incurred on the order to the appropriate cost objects (like cost centers, internal orders, etc.). Incorrect Order Type: The order type may not be configured to allow settlement, or it may not be set up correctly in the system. Order Status: The order may be in a status that does not allow for settlement, such as being closed or technically completed.
Configuration Issues: There may be issues with the configuration of the controlling area or the order type
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