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Problem

You get a runtime error on mobile with an error message from Business Central.

or

You experience bad performance

Solution

Step 1: Is it a known error message?

See Error Messages

Step 2:  Inspect the Callstack

The call stack points to the failing code, which is VERY helpful.

The source of the error can be:

  • Base BC code
  • Standard Mobile WMS code
  • Partner Extension code

The call stack is included in the error XML response and in the Mobile Document Queue.

The Request /Response shows also what data was exchanged between Mobile and BC.


Step 3.1: Could a third-party extension be the cause?

If you have other extensions installed, add-ons, or from your partner.

Try uninstalling them temporarily  Consider doing this in a sandbox (step 6) to avoid disrupting the business.

  • Go to: Extension Management
  • Select an extension
  • Select the three dots
  • Select Uninstall 

Does the issue change?


Step 3.2: Does a third-party extension subscribe to Mobile WMS or Base -events?

Add ?page=9510 to your URL to open the "Event Subscriptions" -page.


Step 4: Has the system been updated lately

  • Has Mobile WMS extension been updated?
  • Have you changed any extension code?
  • Has Business Central been updated?

  • Have you changed how the system is set up?


Step 5: Is it isolated to one order or any order?

  • Is it a single document that cannot be processed?
  • Can you reproduce the issue by creating new documents? (Using a sandbox, step 3)


Step 6: Reproduce the issue in a "Sandbox" (copy of the production)

With a sandbox you can:

  • Avoid disrupting the customer's business
  • Change data to check whether the issue changes
  • Disable/Enable extensions and check if issue changes
  • Debug code, see Debugging Cloud sandbox  
     

Step 7: Troubleshoot perfomance using Profiler

See Performance Profiler (AL Profiler)

Also, when dealing with slow performance on BC Online, consider raising a Support Case with Microsoft, directly from Business Central.

See also



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