This is one of the error related to NAV
--------------------------- Microsoft Dynamics NAV --------------------------- This message is for C/AL programmers: The call to member LeftHeader failed. Microsoft... (Continue reading)

Hi,
When you migrate NAV database from native to SQL you might get an error similar to following:
"
You have entered an illegal value or a nonexistent row number. The error occurred when... (Continue reading)

Hello All,
The nomination process for Most Influential People in Dynamics World is over and now it is in Voting phase. I heard that people from products other than NAV, are getting more votes.
... (Continue reading)

Here's an opportunity to nominate and vote for whom you think has an influence/impact in Dynamics ERP World. This polling is conducted by Dynamics World, UK..They have published the list of top 100... (Continue reading)

15151,"42000",[Microsoft][ODBC
SQL Server Driver][SQL Server]Cannot find the user
'$ndo$ar$000005010500000000000015DCBA5240A7B274A8C47D7F4D00001231', because it
does not exist or you do not have permission.

Reason
& Resolution: Check if in the "Member of" table there is a user with "Role ID" field BLANK, this can cause the above mentioned error. If the security model is 'Enhanced' then change it to 'Standard'.

Reason
& Resolution::
Database is in Single User mode and more than one session is being attempted. Change the database access mode from "Single User" to "Multi user",
which can be done in three ways described HERE [link for other blog]. Though the SQL query
will change a little bit:

---------------------------
Microsoft Dynamics NAV
---------------------------
You do not have permission to run the 'Microsoft Dynamics NAV Server'
System. Contact your system administrator to have your permissions
changed.
--------------------------
OK
---------------------------

Reason
& Resolution: The above error occurs when connecting to RTC and the user's license doesn't have permissions for RTC. Solution to problem is having a license with rights to access RTC client.

Error
5:

---------------------------
Microsoft Dynamics NAV
---------------------------
The Microsoft Dynamics NAV Server cannot connect the Change Listener to SQL
Server due to the following error: Cannot open database
"DatabaseName" requested by the login. The login failed.