How To Fix WTYC1001 - No sequence can be maintained for action &1 (invalid type)

SAP Error Message - Details

• Message type: E = Error

• Message class: WTYC1 - Messages for Customizing of Warranty Processing

• Message number: 001

• Message text: No sequence can be maintained for action &1 (invalid type)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WTYC1001 - No sequence can be maintained for action &1 (invalid type) ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WTYC1001 No sequence can be maintained for action &1 (invalid type)
  
  Cause:
  This error occurs in SAP Workflow when you try to maintain or define a sequence for a workflow action, but the system does not allow it because the action type is invalid for sequencing.
  In SAP Workflow, certain action types do not support sequence maintenance. For example, if the action is of a type that is not a standard workflow step or is not designed to be sequenced (like a container assignment or a method call that is not sequencable), the system will throw this error.
  In other words:
  
  You are trying to maintain a sequence for an action that cannot have a sequence defined because its type is not valid for sequencing.
  
  When does this typically happen?
  
  When defining or changing the sequence of workflow steps in transaction PFTC (Change Task) or SWDD (Workflow Builder).
  When trying to maintain the sequence of an action that is not a standard workflow step.
  When the action type is incorrectly assigned or corrupted.
  
  
  Solution:
  
  
  Check the Action Type:
  
  Go to transaction PFTC.
  Display the action &1 (the action mentioned in the error).
  Verify the action type. It should be a type that supports sequencing, such as a standard workflow step or a method call that can be sequenced.
  
  
  
  Correct the Action Type:
  
  If the action type is incorrect or invalid, recreate the action with the correct type.
  Alternatively, use a different action that supports sequencing.
  
  
  
  Avoid Sequencing for Non-sequencable Actions:
  
  If the action is inherently non-sequencable (e.g., container assignment), do not try to maintain a sequence for it.
  Instead, place such actions appropriately in the workflow without sequencing.
  
  
  
  Check Workflow Builder (SWDD):
  
  Open the workflow in SWDD.
  Verify the steps and their sequence.
  Remove or replace any action that causes this error.
  
  
  
  Transport or System Issues:
  
  Sometimes, inconsistencies due to transport or system upgrades can cause this.
  Re-import or re-create the action if necessary.
  
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  PFTC – Change Task/Action
  SWDD – Workflow Builder
  SWU3 – Workflow Customizing (for checking workflow configuration)
  
  
  
  SAP Notes:
  
  Check SAP Notes related to workflow action types and sequencing if the problem persists.
  
  
  
  Workflow Action Types:
  
  Standard actions (method calls, tasks) support sequencing.
  Container assignments or certain system actions do not.
  
  
  
  Documentation:
  
  SAP Help Portal on Workflow Actions and Sequencing.
  SAP Workflow Administration guides.
  
  
  
  
  Summary:
  
  Cause: Trying to maintain a sequence for an action type that does not support sequencing.
  Solution: Verify and correct the action type; only maintain sequences for valid action types.
  Check: Use PFTC and SWDD to inspect and correct workflow actions.
  
  
  If you provide the exact action name or context, I can help you with more specific steps.