SYNTAX ERROR 2

This report is given when a line of characters does not constitute a meaningful statement. This condition occurs when either:

• An illegal symbol is found in an expression.
• Brackets, parentheses or quotes in an expression are not matched.
• Parentheses in an expression are not matched.
• Quotes in an expression are not matched.
• A value is assigned to a function, label, constant or system constant.
• A strictly dyadic function (or derived function) is used monadically.
• A monadic function (or derived function) is used dyadically.
• A monadic or dyadic function (or derived function) is used without any arguments.
• The operand of an operator is not an array when an array is required.
• The operand of an operator is not a function (or derived function) when a function is required.
• The operand of an operator is a function (or derived function) with incorrect valency.
• A dyadic operator is used with only a single operand.
• An operator is used without any operands.

Examples

      A>10)/A
SYNTAX ERROR
      A>10)/A
      ^

      ⊤2 4 8
SYNTAX ERROR
      ⊤2 4 8
      ^

      A.+1 2 3
SYNTAX ERROR
      A.+1 2 3
      ^