How To Fix SRT_WSP527 - Multiple "blocking" attributes in operation "&1{&2}"

SAP Error Message - Details

• Message type: E = Error

• Message class: SRT_WSP - Messages for SRT WSP

• Message number: 527

• Message text: Multiple "blocking" attributes in operation "&1{&2}"

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SRT_WSP527 - Multiple "blocking" attributes in operation "&1{&2}" ?

  The SAP error message SRT_WSP527 indicates that there are multiple "blocking" attributes defined for a specific operation in a web service. This typically occurs in the context of SAP Process Integration (PI) or SAP Process Orchestration (PO) when dealing with web services and their configurations.
  Cause:
  The error arises when the web service operation has been defined with more than one attribute that is marked as "blocking." In web services, blocking attributes are those that must be processed in a certain order or must be completed before other attributes can be processed. Having multiple blocking attributes can create ambiguity in the processing sequence, leading to this error.
  Solution:
  To resolve the SRT_WSP527 error, you can follow these steps:
  
  
  Review the Web Service Definition: Check the WSDL (Web Services Description Language) file or the service definition in the SAP system to identify the operation that is causing the issue.
  
  
  Identify Blocking Attributes: Look for attributes that are marked as blocking. You may need to consult the service definition or the underlying data model to see which attributes are defined as blocking.
  
  
  Modify the Service Definition: 
  
  If possible, modify the service definition to ensure that only one attribute is marked as blocking. This may involve changing the design of the web service or the data model.
  If you have control over the service, consider whether the blocking nature of the attributes is necessary. If not, you can change their configuration.
  
  
  
  Test the Changes: After making the necessary changes, test the web service operation to ensure that the error no longer occurs.
  
  
  Consult Documentation: If you are unsure about how to modify the service definition or which attributes are blocking, refer to the SAP documentation or consult with your SAP Basis or PI/PO team.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or updates regarding this error message.
  Web Service Configuration: Familiarize yourself with the configuration of web services in SAP, including how to define operations, attributes, and their properties.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have implemented.
  
  By following these steps, you should be able to resolve the SRT_WSP527 error and ensure that your web service operates correctly.