Microsoft Dynamics NAV Development Environment
The following ODBC error occurred:
Error: [Microsoft][ODBC Driver Manager] Invalid string or buffer length
State ID: HY090
When you try to read a Microsoft Dynamics NAV (formerly Microsoft Business Solutions Navision) BLOB Data Type field with an ODBC connection or simply to do a Backup of Navision show the following this error message:
When you use Microsoft Dynamics NAV BLOB field with Compressed Property to No and SubType Property to Memo is possible to write values from 4 bytes to 2 GB.
Write something (like 4 spaces) in the field to cover the 4 byte in all the rows with blob field containing less then 4 bytes.
You can run a query in SQL Server like this:
SELECT * FROM [TableName] where DATALENGTH([ImageColumn]) < 4
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