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M3 error message: Invoice could not be validated, please check APS450

Updated

The interface received no confirmation within five minutes that the invoice had been posted. You use APS450, GLS047, GLS037 and APS200 to find out whether the invoice was processed after all. If it was, you move it forward with "Corrected in ERP".

Item Description
Error message from M3 Invoice could not be validated, please check APS450 for Supplier[XXXX] Invoice number[XXXXXXX] Invoice date[YYYYMMDD]!
M3 programs APS450, GLS047, GLS037, APS200, APS215, GLS200
Type of message No confirmation within the interface waiting time
Has the invoice already been (partly) posted in M3? Unknown - use the steps below to find out.

What does this message mean?

After waiting five minutes, the default setting, the interface received no confirmation that the invoice had been posted. That does not mean the invoice was not posted: the confirmation did not arrive, the posting may still have succeeded.

What to check

  1. Check in APS450 whether the invoice is on a status other than 90. If it is, an error occurred during validation.
  2. Look at the error status on the header of the invoice: 1 is no errors, 2 is errors and 3 is warnings. That status is shown for the header and for the lines.
  3. If there are errors, open the header or the line using change. M3 then shows the error message. Using display you will not see it.
  4. If the invoice is on status 90, it has been validated successfully but may not have been posted successfully. Check in GLS047 whether the posting task got stuck on an error, and which error that was.
  5. If there is nothing in GLS047, check in GLS037 whether a posting error occurred.
  6. If both programs are empty, check in APS200 whether the invoice is present.
ℹ️
Info: If the invoice is present in APS200, a time-out has occurred: the invoice has been posted, but not within the five minutes the interface waits. Check the voucher of the invoice through APS200 > APS215 > GLS200.

How to process the invoice further

Once it is clear what caused this, there are two options.

  • The invoice has been processed correctly in M3. Move it forward to the next step in AP Automation yourself with the option Corrected in ERP.
  • The invoice has not been processed correctly in M3. Correct it manually and then move it forward, or remove the known data and submit the invoice again with a unique reference.

More information

Once you have corrected the invoice in M3, you move it forward in AP Automation with the option Corrected in ERP. See Moving an invoice forward with "Corrected in ERP".

If you want to submit the invoice again, first remove the data that is already in M3. See Manual corrections to data in M3.

The order in which to work through the programs is also described in M3 programs in invoice processing.

The article M3 error messages - introduction shows how the M3 error messages are organised and describes the approach that applies to all of them. If you are looking for a specific message, search for the text of the error.