Funchaser-r

My friends and I have a server and up until a couple days ago its been running smoothly for a month since we started. Then all of a sudden the Dynamic Villager Trades mod presented an error without anything be changed or done to the server files. To troubleshoot as the site suggested, I have removed it, tried different versions and the problem persists. When the mod is removed the log says "Datapack is missing because the mod 'Dynamic Villager Trades' may not be installed. The suggested solutions are as follows: "Install the Dynamic Villager Trades mod" or "Do nothing. The problem might fix itself" Another way I have tried troubleshooting is importing the server pack to a different IP and moving the world over and the problem remains the same with the same crash report as attached. Our "Custom" modpack is Integrated MC as the base with some extra block, furniture, and a couple more create mods, but as prefaced they were all running together fine. I'm not entirely the most knowledgeable person when it comes to troubleshooting a Minecraft server, all I can tell is that all the files are in the correct areas and that it was running completely fine before without anything changing. If someone could please help out and point out what went wrong it would be extremely appreciated. Crash Report