Ressourcepack refused by random players

Hi there,
Some players can't handle 2 of my ressourcepacks, this error occurs in the log journal :
Caught error loading resourcepacks, removing all selected resourcepacks java.util.concurrent.CompletionException: net.minecraft.class_148: Stitching     at java.base/java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:315)     at java.base/java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:320)     at java.base/java.util.concurrent.CompletableFuture$UniApply.tryFire(CompletableFuture.java:649)     at java.base/java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:510)     at java.base/java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1773)     at java.base/java.util.concurrent.CompletableFuture$AsyncSupply.exec(CompletableFuture.java:1760)     at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:387)     at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1312)     at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1843)     at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1808)     at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:188) Caused by: net.minecraft.class_148: Stitching     at knot//net.minecraft.class_7766.method_47663(class_7766.java:86)     at knot//net.minecraft.class_7766.method_47659(class_7766.java:119)     at java.base/java.util.concurrent.CompletableFuture$UniApply.tryFire(CompletableFuture.java:646)     ... 8 more Caused by: net.minecraft.class_1054: Unable to fit: minecraft:item/casino/jetonrose - size: 512x512 - Maybe try a lower resolution resourcepack?     at knot//net.minecraft.class_1055.method_4557(class_1055.java:49)     at knot//net.minecraft.class_7766.method_47663(class_7766.java:80)     ... 10 more
I alread reduced a maximum of textures size, bug the pack handles a looot of different games...