New info:
Mac Standard has a 2gig limit. I will try and move the files to an Extended disk and see if the problem is solved.
Quoted from : https://support.apple.com/kb/TA27115?viewlocale=en_US
Mac OS Standard Format Specifications
Before discussing hard drive block allocation, and the intricacies of determining allocation block sizes and such, let’s first review the Macintosh Standard format, sometimes called HFS.
Below are some specifications and associated terminology used to describe the Macintosh Standard format structure.
The maximum file size is 2 GB.
The maximum number of files on a volume is 65,536.
The maximum number of files in a folder is 32,767.
The maximum size of the data fork in a file is 2 GB.
The maximum size of the resource fork in a file is 16 megabytes.