Parameter Must Be Positive

Parameter Must Be Positive (also referred to as PMBP) is a rare error found in Return To Wonderland. Parameter Must Be Positive errors occur when the game passes a negative integer as a parameter to a function when a positive integer is expected.

Known Causes

The following events can cause a Parameter Must Be Positive.

• Return to Wonderland: Doing certain things with 38 08.
• Return to Wonderland: While editing a sign, going to an empty line other than the first, pressing space and then pressing backspace.