001+ libpng warning: Application was compiled with png.h from libpng-1.6.2
002+ libpng warning: Application is running with png.c from libpng-1.2.49
001- string(32) "b856a0b1a15efe0f79551ebbb5651fe8"
002- int(842163455)
003+ gd-png: fatal libpng error: Incompatible libpng version in application and library