Hello,
It could be that disabling optimization impacted your code allocation in memory. My first question is if 0x10000 is a valid, writable memory region on your target and if the debugger memory map allows writes to it.
For more information on data verification errors, see:
http://processors.wiki.ti.com/index.php/Troubleshooting_CCS_-_Data_Verification_Errors
Thanks
ki