Every time I load the server this happens. I am not sure what happened
2020-04-25T23:52:19 163.550 WRN XML patch for "entitygroups.xml" from mod "Robeloto_CustomZombies_XMLONLY" did not apply: <append xpath="/entitygroups/entitygroup[@name=sleeperHordeStageGS2197]"
2020-04-25T23:52:19 163.551 WRN XML patch for "entitygroups.xml" from mod "Robeloto_CustomZombies_XMLONLY" did not apply: <append xpath="/entitygroups/entitygroup[@name=sleeperHordeStageGS2216]"
2020-04-25T23:52:19 163.553 WRN XML patch for "entitygroups.xml" from mod "Robeloto_CustomZombies_XMLONLY" did not apply: <append xpath="/entitygroups/entitygroup[@name=sleeperHordeStageGS2236]"
2020-04-25T23:52:19 163.555 WRN XML patch for "entitygroups.xml" from mod "Robeloto_CustomZombies_XMLONLY" did not apply: <append xpath="/entitygroups/entitygroup[@name=sleeperHordeStageGS2255]"
2020-04-25T23:52:19 163.557 WRN XML patch for "entitygroups.xml" from mod "Robeloto_CustomZombies_XMLONLY" did not apply: <append xpath="/entitygroups/entitygroup[@name=sleeperHordeStageGS2275]"
2020-04-25T23:52:19 163.559 WRN XML patch for "entitygroups.xml" from mod "Robeloto_CustomZombies_XMLONLY" did not apply: <append xpath="/entitygroups/entitygroup[@name=sleeperHordeStageGS2295]"
2020-04-25T23:52:19 163.561 WRN XML patch for "entitygroups.xml" from mod "Robeloto_CustomZombies_XMLONLY" did not apply: <append xpath="/entitygroups/entitygroup[@name=sleeperHordeStageGS2315]"
2020-04-25T23:52:19 163.563 WRN XML patch for "entitygroups.xml" from mod "Robeloto_CustomZombies_XMLONLY" did not apply: <append xpath="/entitygroups/entitygroup[@name=sleeperHordeStageGS2334]"
2020-04-25T23:52:19 163.565 WRN XML patch for "entitygroups.xml" from mod "Robeloto_CustomZombies_XMLONLY" did not apply: <append xpath="/entitygroups/entitygroup[@name=sleeperHordeStageGS2354]"
2020-04-25T23:52:19 163.566 WRN XML patch for "entitygroups.xml" from mod "Robeloto_CustomZombies_XMLONLY" did not apply: <append xpath="/entitygroups/entitygroup[@name=sleeperHordeStageGS2374]"
2020-04-25T23:52:19 163.568 WRN XML patch for "entitygroups.xml" from mod "Robeloto_CustomZombies_XMLONLY" did not apply: <append xpath="/entitygroups/entitygroup[@name=sleeperHordeStageGS2394]"
2020-04-25T23:52:19 163.570 WRN XML patch for "entitygroups.xml" from mod "Robeloto_CustomZombies_XMLONLY" did not apply: <append xpath="/entitygroups/entitygroup[@name=sleeperHordeStageGS2414]"
2020-04-25T23:52:19 163.572 WRN XML patch for "entitygroups.xml" from mod "Robeloto_CustomZombies_XMLONLY" did not apply: <append xpath="/entitygroups/entitygroup[@name=sleeperHordeStageGS2435]"
2020-04-25T23:52:19 163.575 WRN XML patch for "entitygroups.xml" from mod "Robeloto_CustomZombies_XMLONLY" did not apply: <append xpath="/entitygroups/entitygroup[@name=sleeperHordeStageGS2455]"
2020-04-25T23:52:19 163.577 WRN XML patch for "entitygroups.xml" from mod "Robeloto_CustomZombies_XMLONLY" did not apply: <append xpath="/entitygroups/entitygroup[@name=sleeperHordeStageGS2475]"
2020-04-25T23:52:19 163.579 WRN XML patch for "entitygroups.xml" from mod "Robeloto_CustomZombies_XMLONLY" did not apply: <append xpath="/entitygroups/entitygroup[@name=sleeperHordeStageGS2495]"
2020-04-25T23:52:19 163.581 WRN XML patch for "entitygroups.xml" from mod "Robeloto_CustomZombies_XMLONLY" did not apply: <append xpath="/entitygroups/entitygroup[@name=sleeperHordeStageGS2516]"
2020-04-25T23:52:19 163.582 WRN XML patch for "entitygroups.xml" from mod "Robeloto_CustomZombies_XMLONLY" did not apply: <append xpath="/entitygroups/entitygroup[@name=sleeperHordeStageGS2536]"
2020-04-25T23:52:19 163.584 WRN XML patch for "entitygroups.xml" from mod "Robeloto_CustomZombies_XMLONLY" did not apply: <append xpath="/entitygroups/entitygroup[@name=sleeperHordeStageGS2557]"
2020-04-25T23:52:19 163.587 WRN XML patch for "entitygroups.xml" from mod "Robeloto_CustomZombies_XMLONLY" did not apply: <append xpath="/entitygroups/entitygroup[@name=sleeperHordeStageGS2577]"
2020-04-25T23:52:19 163.589 WRN XML patch for "entitygroups.xml" from mod "Robeloto_CustomZombies_XMLONLY" did not apply: <append xpath="/entitygroups/entitygroup[@name=sleeperHordeStageGS2598]"
2020-04-25T23:52:19 163.591 WRN XML patch for "entitygroups.xml" from mod "Robeloto_CustomZombies_XMLONLY" did not apply: <append xpath="/entitygroups/entitygroup[@name=sleeperHordeStageGS2618]"
2020-04-25T23:52:19 163.593 WRN XML patch for "entitygroups.xml" from mod "Robeloto_CustomZombies_XMLONLY" did not apply: <append xpath="/entitygroups/entitygroup[@name=sleeperHordeStageGS2639]"
2020-04-25T23:52:19 163.595 WRN XML patch for "entitygroups.xml" from mod "Robeloto_CustomZombies_XMLONLY" did not apply: <append xpath="/entitygroups/entitygroup[@name=sleeperHordeStageGS2660]"
2020-04-25T23:52:19 163.597 WRN XML patch for "entitygroups.xml" from mod "Robeloto_CustomZombies_XMLONLY" did not apply: <append xpath="/entitygroups/entitygroup[@name=sleeperHordeStageGS2681]"
2020-04-25T23:52:19 163.598 WRN XML patch for "entitygroups.xml" from mod "Robeloto_CustomZombies_XMLONLY" did not apply: <append xpath="/entitygroups/entitygroup[@name=sleeperHordeStageGS2702]"
2020-04-25T23:52:19 163.600 WRN XML patch for "entitygroups.xml" from mod "Robeloto_CustomZombies_XMLONLY" did not apply: <append xpath="/entitygroups/entitygroup[@name=sleeperHordeStageGS2723]"
2020-04-25T23:52:19 163.602 WRN XML patch for "entitygroups.xml" from mod "Robeloto_CustomZombies_XMLONLY" did not apply: <append xpath="/entitygroups/entitygroup[@name=sleeperHordeStageGS2744]"
2020-04-25T23:52:19 163.604 WRN XML patch for "entitygroups.xml" from mod "Robeloto_CustomZombies_XMLONLY" did not apply: <append xpath="/entitygroups/entitygroup[@name=sleeperHordeStageGS2765]"
2020-04-25T23:52:19 163.606 WRN XML patch for "entitygroups.xml" from mod "Robeloto_CustomZombies_XMLONLY" did not apply: <append xpath="/entitygroups/entitygroup[@name=sleeperHordeStageGS2786]"