How To Fix M3887 - Specify a safety time

SAP Error Message - Details

• Message type: E = Error

• Message class: M3 - Material Master

• Message number: 887

• Message text: Specify a safety time

What causes this issue?

You have specified a safety time indicator, but not entered a safety
time. It is only useful to specify a safety time indicator together
with a safety time.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message M3887 - Specify a safety time ?

  The SAP error message M3887 ("Specify a safety time") typically occurs in the context of materials management and production planning within the SAP system. This error is related to the planning of materials and indicates that a safety time has not been specified for a particular material or production order.
  Cause:
  The error arises when the system requires a safety time to be defined for a material or production process, but it has not been provided. Safety time is a buffer period added to the lead time to account for uncertainties in production or supply chain processes. This is important for ensuring that materials are available when needed and to avoid delays in production.
  Solution:
  To resolve the M3887 error, you need to specify a safety time for the relevant material or production order. Here are the steps to do this:
  
  
  Access Material Master Data:
  
  Go to the transaction code MM02 (Change Material) or MM01 (Create Material) depending on whether you are updating an existing material or creating a new one.
  Enter the material number and select the appropriate views (e.g., MRP view).
  
  
  
  Specify Safety Time:
  
  In the MRP view, look for the field related to safety time (often labeled as "Safety Time" or "Safety Stock").
  Enter the desired safety time value. This value is typically defined in days and should reflect the additional time you want to account for uncertainties.
  
  
  
  Save Changes:
  
  After entering the safety time, save your changes to the material master data.
  
  
  
  Check Production Orders:
  
  If the error is occurring in the context of a production order, you may need to check the order details and ensure that the safety time is specified in the order settings.
  
  
  
  Re-run the Planning Process:
  
  After making the necessary changes, re-run the planning process (e.g., MRP run) to see if the error persists.
  
  
  
  Related Information:
  
  Safety Time vs. Safety Stock: It's important to differentiate between safety time and safety stock. Safety stock refers to the inventory buffer, while safety time refers to the additional time buffer in the planning process.
  MRP Settings: Review your MRP settings and parameters to ensure they align with your production and supply chain strategies.
  Documentation: Refer to SAP documentation or help files for more detailed information on configuring material master data and MRP settings.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or refer to SAP Notes for any specific patches or updates related to this error message.