Memory Access Violation: Difference between revisions

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[[Category:Common Wonderland Errors]]
[[Image:Mav.png|thumb|right|200px|MAV as it appears in all Wonderland games.]]'''Memory Access Violation''' (also known as MAV) is the most common error message in [[Wonderland (series)|Wonderland]], inherited from [http://en.wikipedia.org/wiki/Blitz3D#Blitz3D Blitz3D]. It can appear in all six games and both editors, though it is more common in the [[Classic Trilogy]] games. The error appears when the program attempts to use a part of the memory that it's not authorized to use (therefore "violating" the operating system's rules).
[[File:Mav.png|200px|thumb|right|Memory Access Violation]]'''Memory Access Violation''' (also known as MAV) is the most common error message in [[Wonderland]]. It can appear in all five games and both editors, though it is more common in the [[Classic Trilogy]] games. The error appears when the program attempts to use a part of the memory that it's not authorized to use (therefore "violating" the computer's rules). Other various error messages include [[Parameter Must Be Positive]], [[Abnormal Program Termination]], [[Illegal Instruction]], [[Unknown Runtime Exception]], [[Array Index out of Bounds]] and [[General Protection Fault]].  


== Known Causes ==
== Known Causes ==
The following events can cause a Memory Access Violation error.
The following events can cause a Memory Access Violation error.
* [[Wonderland Adventures Editor|WA Editor]]: Taking a non-[[WOP]] file, changing the name so there is a .wop at the end, putting a new folder in C:\WA Editor v096\Data\Editor\ObjectPresets, putting that file in there, and trying to access that "object" in the editor.
* WA Editor: Clicking anywhere south of the [[level]] when in Tile mode.
* WA Editor: Having a LevelExit red arrow that leads to a level number that does not exist.
* WA Editor: Having an NPC with their dialog set to a dialog file that does not exist.
* [[Classic Trilogy]]: In rare cases, loading a [[Hex Editing|hex-edited]] level can cause a MAV.
* Classic Trilogy: [[UFO Mothership|Motherships]] at the edge of the level area attempt to create [[UFO|UFOs]] outside the level boundary.
* [[Return To Wonderland Editor|RTW Editor]]: Loading a level with [[Metatiles]] will always lead to a MAV.
* RTW Editor: When selecting a level to load, if the level list does not fill up the screen, pressing a letter key will lead to a MAV (the editor has to scroll down, which it can't).
* [[Return To Wonderland]]: After playing a level with more than 200 [[Rainbow Coins]] or [[Bonus Coins]], a MAV appears immediately upon exiting the game.
* Return To Wonderland: Doing certain things with [[38 08]].
* (only on certain computers) Return To Wonderland Platinum: Recording a video with Fraps.


== Trivia ==
*[[Wonderland Adventures Editor|WA Editor]]: Accessing an invalid .WOP file in the editor as an "object".
*One user on the [[Wonderland Discussion Board]] used to have a MAV for an avatar.
*WA Editor: In versions older than 3.00, clicking anywhere south of the level when in Tile mode.
*WA Editor: Having a Level Exit red arrow that leads to a level number that does not exist.
*WA Editor: Having an NPC with their dialog set to a dialog file that does not exist.
*WA Editor: Opening a level in the editor that has been converted to [[Mysteries of Fire Island]] format (using e.g. jafo1015's [http://www.pcpuzzle.com/forum/viewtopic.php?t=22088%7CWA Editor Tools]).
*WA Editor: Having no levels to load.
*WA Editor: Occasionally, on some computers, the player will MAV while checking for new levels if you have a level in the Downloads Inbox.
*[[Classic Trilogy]]: In rare cases, loading a [[Hex Editing|hex-edited]] level can cause a MAV.
*Classic Trilogy: [[UFO Mothership|Motherships]] at the edge of the level area attempt to create [[UFO|UFOs]] outside the level boundary.
*Classic Trilogy: Pressing Esc at the very moment you return to the selection screen from winning the level then pressing Enter or Esc again.
*[[Return To Wonderland Editor|RTW Editor]]: Loading a level with [[Metatiles]] will always lead to a MAV.
*RTW Editor: When selecting a level to load, if the level list does not fill up the screen, pressing a letter key will lead to a MAV (the editor has to scroll down, which it can't).
*[[Return To Wonderland]]: After playing a level with more than 200 [[Rainbow Coins]] or [[Bonus Coins]], a MAV may appear immediately upon exiting the game (depending on your computer).
*Return To Wonderland: Doing certain things with [[38 08]].
*(only on certain computers) Return To Wonderland Platinum: Recording a video with Fraps.
 
== See Also ==
*[[Wikipedia:Segmentation_fault|Segmentation fault]] on Wikipedia.
 
[[Category:Errors|Errors]]

Latest revision as of 18:59, 4 December 2022

MAV as it appears in all Wonderland games.

Memory Access Violation (also known as MAV) is the most common error message in Wonderland, inherited from Blitz3D. It can appear in all six games and both editors, though it is more common in the Classic Trilogy games. The error appears when the program attempts to use a part of the memory that it's not authorized to use (therefore "violating" the operating system's rules).

Known Causes

The following events can cause a Memory Access Violation error.

  • WA Editor: Accessing an invalid .WOP file in the editor as an "object".
  • WA Editor: In versions older than 3.00, clicking anywhere south of the level when in Tile mode.
  • WA Editor: Having a Level Exit red arrow that leads to a level number that does not exist.
  • WA Editor: Having an NPC with their dialog set to a dialog file that does not exist.
  • WA Editor: Opening a level in the editor that has been converted to Mysteries of Fire Island format (using e.g. jafo1015's Editor Tools).
  • WA Editor: Having no levels to load.
  • WA Editor: Occasionally, on some computers, the player will MAV while checking for new levels if you have a level in the Downloads Inbox.
  • Classic Trilogy: In rare cases, loading a hex-edited level can cause a MAV.
  • Classic Trilogy: Motherships at the edge of the level area attempt to create UFOs outside the level boundary.
  • Classic Trilogy: Pressing Esc at the very moment you return to the selection screen from winning the level then pressing Enter or Esc again.
  • RTW Editor: Loading a level with Metatiles will always lead to a MAV.
  • RTW Editor: When selecting a level to load, if the level list does not fill up the screen, pressing a letter key will lead to a MAV (the editor has to scroll down, which it can't).
  • Return To Wonderland: After playing a level with more than 200 Rainbow Coins or Bonus Coins, a MAV may appear immediately upon exiting the game (depending on your computer).
  • Return To Wonderland: Doing certain things with 38 08.
  • (only on certain computers) Return To Wonderland Platinum: Recording a video with Fraps.

See Also

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