BIP2446
Severity
20 : Error
Message
(<insert_0>, <insert_1>) : Illegal operand for unary minus applied to value '<insert_2>'.
Explanation
The unary minus operator can only be applied to numeric or interval operands. An attempt was made to apply the unary minus operator to an inappropriate value.
Response
Ensure that the unary minus is only applied to numeric or interval operands.