Message type: E = Error
Message class:  CRM_PS_ELD - Messages from Eligibility Determination 
Message number: 217
Message text: Assign a valid decision unit to eligibility period &1 - &2
The eligibility period is assigned to a decision unit that has already
been deleted from the social service plan.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Assign the eligibility period to an existing decision unit.
On the <LS>Eligibility Period Details</> screen, execute the
<LS>Decision Unit Assignment</> function <LS>Delete</>.
Execute the <LS>Decision Unit Assignment</> function <LS>New</> and
choose one of the suggested decision units.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message CRM_PS_ELD217 indicates that there is an issue with the assignment of a decision unit to an eligibility period in the context of SAP CRM (Customer Relationship Management) and possibly SAP PS (Project System). This error typically arises when the system cannot find a valid decision unit for the specified eligibility period.
Cause: Missing Decision Unit: The decision unit that is supposed to be assigned to the eligibility period is either missing or not defined in the system. Incorrect Configuration: The configuration settings for decision units or eligibility periods may not be set up correctly. Data Inconsistency: There may be inconsistencies in the data related to decision units or eligibility periods, such as incorrect dates or invalid entries. Authorization Issues: The user may not have the necessary authorizations to view or assign decision units.
Solution: Check Decision Unit Configuration: Navigate to the configuration settings for decision units in SAP. Ensure that the decision unit you are
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