Set::shape
SetDelayed::shape
An error occurs because the list on the right side of this assignment does not have the same length as the list on the left side of the assignment:
{var1, var2, var3} = {1, 2, 3, 4}This shows a valid assignment:
{var1, var2, var3} = {1, 2, 3}Clear[var1, var2, var3]