Bug #77811 When saving a EER is the error description below
Submitted: 23 Jul 2015 9:15 Modified: 23 Jul 2015 9:30
Reporter: Átila de Freitas Jr Email Updates:
Status: Duplicate Impact on me:
None 
Category:MySQL Workbench: Modeling Severity:S2 (Serious)
Version:6.3 OS:Windows (7 Ultimate)
Assigned to: CPU Architecture:Any
Tags: Erro saving EER MSVCR120.dll

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: