TM Master Common Errors

5.2.0 SendAsDeniedException error when using smtp.office365.com for emails
A connection was successfully established with the server, but then an error occurred during the login process
Attaching files to component - Error: Object reference not set to an instance of an object.
Data at the root level is invalid. Line 1, position 1
Error when opening Inventory -> Spare parts
Language Compatibility Issues Turkish, Portuguese & Spanish
Named Pipes Provider, error: 40 - Could not open a connection to SQL Server
Object reference not set to an instance of an object - SetSparePartImage
OutOfMemory
Printer does not support A4 papersize
Rebuilding / Reorganisation of Indexes
Report Header Name is Shorter Than 3 Characters
System.ArgumentException: Parameter is not valid.
System.Exception: RelatedDataView is Disposed
System.Runtime.InteropServices.COMException
System.Runtime.InteropServices.COMException. The remote procedure call failed
System.Xml.XmlException: Invalid character in the given encoding. Line 1, position 1.
The conversion of a varchar data type to a datetime data type resulted in an out-of-range value
The conversion of the varchar data type into datetime produced an out of range value
The process cannot access the file because it is being used by another process.
The specified string is not in the form required for an e-mail address
The timeout period elapsed prior to completion of the operation or the server is not responding
Transport level error - The semaphore timeout period has expired
Transport level error - The specified network name is no longer available
Unable to add SRF report (System.Runtime.InteropServices.COMException. The remote procedure call failed.)
Visual Styles-related operation resulted in an error because visual styles are currently disabled in the client area
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A connection was successfully established with the server, but then an error occurred during the login process

This error message (A connection was successfully established with the server, but then an error occurred during the login process) is most likely related to SQL Server configuration issues.

Please contact your IT Department.

You could suggest that they try setting the ‘maximum number of concurrent connections’ to "0" in SQL Server.