Problem With Map Editor

[Guwawo]

Hello everyone, I need your help to solve a problem with the map editor, I recently completed a map, but I decided to expand it so far so good. the problem is presented and when by mistake or do this to bmp tmx overwriting the cell present in the map of West Point tool with my map ... now when I load my map does not appear on the minimap of the editor and I can not make it work .... I have tried reinstalling the editor etc ... but nothing has practically I forced to leave the project called .... I would be glad if you could help me out on how to solve the problem ... I even tried copy cells on a new map but nothing .... thanks in advance