Sys.ArgumentException Error on mac safari

Question

Sys.ArgumentException Error on mac safari

 

Sys.ArgumentException:Sys.ArgumentException: Value must not be null for controls and behaviors. Parameter name : element

 

next error

 

Sys.ArgumentException:Sys.ArgumentException: Value must not be null. Parameter name : panelsCreated[19]

 

this error show only on mac machine in safari browser 

 

i do all ajax control remove but problem still,

 

Help me... what i do for this.