Bug #48946 seemingly bogus error: Operating system error number 1450 in a file operation.
Submitted: 20 Nov 2009 15:49 Modified: 27 Sep 2010 14:24
Reporter: Shane Bester (Platinum Quality Contributor) Email Updates:
Status: Can't repeat Impact on me:
None 
Category:MySQL Server: InnoDB Plugin storage engine Severity:S3 (Non-critical)
Version:5.1.41 OS:Windows (XP64)
Assigned to: CPU Architecture:Any

File: Maximum allowed size is 50MB.
Description:
Privacy:

If the data you need to attach is more than 50MB, you should create a compressed archive of the data, split it to 50MB chunks, and upload each of them as a separate attachment.

To split a large file: