┌───────────────┐
 │ Type mismatch │
 └───────────────┘

 ■ Incompatible types of the variable and the
     expression in an assignment statement.
 ■ Incompatible types of the actual and
     formal parameter in a call to a
     procedure or function.
 ■ An expression type that is incompatible
     with the index type in array indexing.
 ■ Incompatible types of operands in an
     expression.