unsupported client version [HELP]

[kimokimo]

I just updated my map from 8.54 to 8.60 and everything worked fine but when i tryed to open my map again it said unsupported client version Help please

 

[Big M]

try: File -> Import -> Import Map

 

[kimokimo]

so every time i open my map i have to import it?? its too big

 

[tetra20]

am having same problem and each time i need to import it i wish if we both get answer

 

[kimokimo]

bump