RE: Message: Error mapping to memory mapped file

Apologies for not having checked docs first... appreciate guidance where to start and the cool command to learn.. here is the result...

SQL Backup 7.6.029
ERRSQB: 5220 (Error mapping to memory mapped file.) (SQBMmf_): 8 (Not enough storage is available to process this command.)

name::value
exitcode::5220
sqlerrorcode::0

-- current
use master
go
BACKUP DATABASE MODEL TO DISK = 'F:\Model.bak' --1500K on disk
BACKUP DATABASE MODEL TO DISK = 'F:\Model.zip' --0150K on disk