MySQL Bugs: #96339: MySQL Workbench Unexpected Error on simple query: Index was out of range

Bug #96339	MySQL Workbench Unexpected Error on simple query: Index was out of range
Submitted:	26 Jul 2019 9:56	Modified:	27 Jul 2019 17:01
Reporter:	Martin Snowden	Email Updates:
Status:	Can't repeat	Impact on me:	None
Category:	MySQL Workbench	Severity:	S3 (Non-critical)
Version:	6.3.4	OS:	Windows (Windows 10 Home)
Assigned to:		CPU Architecture:	x86 (Intel Core i7)
Tags:	Index out of range, workbench

Description:
Performing a simple query on a large table in MySQL Workbench:

SELECT * FROM openpayments.`physician general payees` where `Certified CME Faculty or Speaker Payments` is not null;

After a long wait (several minutes), a pop up error message window appeared: 

Title: MySQL Workbench unexpected error.

Body: MySQL Workbench has encountered a problem
Index was out of range. Must be non-negative and less than the size of the collection.

We are sorry for the inconvenience but an unexpected exception has been raised by one of the MySQL Workbench modules. In order to fix this issue we would kindly ask you to file a bug report. You can do that by pressing the [Report Bug] button below. 

Please make sure to include a detailed description of your actions that lead to this problem.

How to repeat:
Repeat query.

Suggested fix:
Don't know.

Thank you for the bug report. Which are exactly version of WorkBench and server are you using?.

Versions:

MySQL Workbench Community (GPL) for Windows: version 6.3.4  revision 0 build 828 (64 bit)

MySQL Community Server (GPL): version 5.7.8-rc-log
Compiled For: Win64 (x86_64)

Added Workbench version (6.3.4)

Thank you for the feedback. Both are quite older, current version of WorkBench: 8.0.17 current version of server: 5.7.27. Please upgrade.