ive done server config made it able to open players, but it opens my chest cavity instead of the other players.
it opens their chest cavity for a second then it opens mine

"ORGAN_BUNDLE_LOOTING_BOOST": 0.01,
"UNIVERSAL_DONOR_RATE": 0.035,
"ORGAN_REJECTION_DAMAGE": 0,
"ORGAN_REJECTION_RATE": 600,
"HEARTBLEED_RATE": 20,
"KIDNEY_RATE": 60,
"FILTRATION_DURATION_FACTOR": 1.0,
"APPENDIX_LUCK": 0.1,
"HEART_HP": 4.0,
"MUSCLE_STRENGTH": 1.0,
"MUSCLE_SPEED": 0.5,
"BONE_DEFENSE": 0.5,
"RISK_OF_PRIONS": 0.01,
"CHEST_OPENER_ABSOLUTE_HEALTH_THRESHOLD": 20,
"CHEST_OPENER_FRACTIONAL_HEALTH_THRESHOLD": 0.5,
"CAN_OPEN_OTHER_PLAYERS": true,
"KEEP_CHEST_CAVITY": true,
"DISABLE_ORGAN_REJECTION": true,
"ARROW_DODGE_DISTANCE": 32,
"BUFF_PURGING_DURATION_FACTOR": 0.5,
"CRYSTALSYNTHESIS_RANGE": 32,
"CRYSTALSYNTHESIS_FREQUENCY": 10,
"FIREPROOF_DEFENSE": 0.75,
"IMPACT_DEFENSE": 0.75,
"LAUNCHING_POWER": 0.1,
"MAX_TELEPORT_ATTEMPTS": 5,
"RUMINATION_TIME": 400,
"RUMINATION_GRASS_PER_SQUARE": 2,
"RUMINATION_SQUARES_PER_STOMACH": 3,
"SHULKER_BULLET_TARGETING_RANGE": 20,
"SWIMSPEED_FACTOR": 1.0,
"WITHERED_DURATION_FACTOR": 0.5,
"ARROW_DODGE_COOLDOWN": 200,
"DRAGON_BOMB_COOLDOWN": 200,
"DRAGON_BREATH_COOLDOWN": 200,
"EXPLOSION_COOLDOWN": 200,
"FORCEFUL_SPIT_COOLDOWN": 20,
"GHASTLY_COOLDOWN": 60,
"PYROMANCY_COOLDOWN": 78,
"SHULKER_BULLET_COOLDOWN": 100,
"SILK_COOLDOWN": 20,
"VENOM_COOLDOWN": 40,
"AGE_OF_EXILE_INTEGRATION": true,
"ANTHROPOPHAGY_INTEGRATION": true,
"BACKROOMS_INTEGRATION": true,
"BACKROOMS_CHEST_ORGAN_LOOT_ATTEMPTS": 2,
"BACKROOMS_CHEST_ORGAN_LOOT_CHANCE": 0.2,
"BEWITCHMENT_INTEGRATION": true,
"BIOME_MAKEOVER_INTEGRATION": true,
"CREEPER_SPORES_INTEGRATION": true,
"DIREBATS_INTEGRATION": true,
"RATS_MISCHIEF_INTEGRATION": true,
"REQUIEM_INTEGRATION": true,
"SMALL_ENDERMEN_INTEGRATION": true,
"SNOW_MERCY_INTEGRATION": true
}
this is the server config file

seems like you did it for the server, but do all clients involved have it on too?