Minecraft 1.13.x crashes.
Minecraft 1.12.x doesn't
This is a Mac Book Pro running OS-X Yosemite 10.10.5
Model Name: MacBook Pro
Model Identifier: MacBookPro5,5
Processor Name: Intel Core 2 Duo
Processor Speed: 2.53 GHz
Number of Processors: 1
Total Number of Cores: 2
L2 Cache: 3 MB
Memory: 8 GB
Bus Speed: 1.07 GHz
The crash report is attached
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Thank you for your report!
However, this issue is a Duplicate of MC-134224.
If you have additional information, please add it to that report.
Please search before reporting, as it's likely that one exists already.
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Thank you for your prompt review and replies.
I have upgraded Mac OS from 10.10.5 to 10.11.6 as directed and the problem has been resolved.