To prevent broken game states and bug reports caused by faulty modding, developers often implement basic integrity checks. This can include checksums or hidden validation keys within the save string. If the internal data changes but the validation key does not match, the game flags the save as broken and overwrites or blocks it. Common Error Symptoms
If you are a player seeking to edit your Xianxia save file, here is the most practical advice based on community best practices. coc xianxia save editor patched