Adjusting Allocated memory to parallels

It won't let me adjust the memory bar when I do I get this error message

"
A disk configuration error has occurred. Make sure that you have read/write permissions for the disk."

"
Error: PRL_ERR_DISK_FILE_OPEN_ERROR (0x80021014)

Path: '/Users/engrbundle/Parallels/My Boot Camp.pvm/APPLE SSD AP0512J (disk0).hdd'

need some help

 

Hi @AndrewR12 , please follow the steps suggested in the article and check if that works.