what is wrong as hex i am getting error

hi everybody.

My old bitcoin wallet password has 3 special characters. ( ALT+255) special space

When ı convert this  special space to hex it becomes a0

ı created  a mask file.I wrote the masks in hex.

example : 151569  this is password in hex mode : 313531353639  and at the end of the password  two special space

 and  ı use in hach cat code 

sudo hashcat -m 11300 -w 4 -a 3  --hex-charset -1 c2 -2 a0  '/home/a/masaüstü/hash.txt'  ' /home/a/masaüstü/masklarr.txt'  --force


but  ı get error see pictures
Invalid hex character detected in mask 

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