Method 'Page256.a60Action46a62_a45_OnAction' not found.

Microsoft Dynamics NAV
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Method 'Page256.a60Action46a62_a45_OnAction' not found.
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OK
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This error occurs when the RTC runs on rapid start implementation profile.

Solution:

Change the profile to sales order processor Profile.. profile ID 9006.

error: the record has been locked in the table

error: the record has been locked in the so called table

reason: due to background posting of the said record or cancellation in between or parallel usage of the same record might get it locked.

Solution: restart the service and try again. This will stop all the process  and will enable you to unlock the locked record in the said table.

Error : TableData 2000000001 does not exist

Solution : This Error Occurs when DBOwner permission is not given to the  concerned login id in the SQL server to the concerned database.