Message type: E = Error
Message class:  WUE - Messages in package WAKT_ADD_ON 
Message number: 004
Message text: No delivery phases exist for plant &1 and material &2
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The SAP error message WUE004 indicates that there are no delivery phases defined for a specific plant and material combination. This error typically occurs in the context of logistics and delivery processing, particularly when trying to create or process deliveries for a material that does not have the necessary configuration.
Cause: Missing Delivery Phases: The primary cause of this error is that the delivery phases for the specified plant and material have not been defined in the system.
Configuration Issues: There may be a configuration issue in the logistics settings, particularly in the areas related to delivery processing. Material Master Data: The material may not be properly set up in the material master data, which can lead to missing delivery phases. Plant-Specific Settings: The plant may not have the necessary settings or configurations to handle deliveries for the specified material.
Solution: Check Delivery Phases Configuration: Go to the configuration settings in SAP (Transaction SPRO). Navigate to the relevant area
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