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 uses a negative parameter. Other error messages include Illegal Instruction, Abnormal Program Termination, Memory Access Violation, Unknown Runtime Exception, Array Index out of Bounds and General Protection Fault.

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.
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