Enlarging the map by adding paper in a cartography table wipes out the entire map and the areas the player has been, so the player has to go to those specific places again to get it on their map.
Environment
Windows 10 Home 64-bit
Java Version 8 Update 144 (build 1.8.0_144-b01)
Running MC 1.14.1 Pre 2 at 1280x720@60Hz
Intel Core i5-6400, 16GB DDR4 RAM (2035MB allocated)
GeForce GTX 1050Ti 4.6.0 NVIDIA 419.67
JVM Arguments/flags: N/A
Duplicate of MC-883