QB Issue Resolution:

See if this support article applies, http://support.quickbooks.intuit.com/support/articles/SLN41172

Resolution for Issue 'I just converted my Windows 2010 Premier QB software to 2014 QB for MAC but my bank rec opening balance is different' available: Yes (Solved).
Source: Intuit Community forum.

I just converted my Windows 2010 Premier QB software to 2014 QB for MAC but my bank rec opening balance is different: this issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the issue yourself by looking for a resolution described below. If it is a complex issue or you are unable to solve the issue, you may contact us by clicking here or by using other support options.

Support for opening balance
Quickbooks Repair Pro will resolve it efficiently and affordably. Guaranteed resolution of your issue, or you pay nothing!

Error Recovery for opening balance [Canada]
E-Tech is the #1 Quickbooks data migration and Conversion service provider.

Get 50% off Quickbooks Online

Click Here for 50% off!

Additional Support Options: