2024-08-29 15:45:05.553 Verbose/JellyfinLogger: <-- [908] 403 https://XXXXPlaylists/77a7ae76d686b71f0f0be680f1d754e6/Items?userId=610901887bce41a5b3453d2a4608bc1e&Ids=e33d60ad84f7f2f3a4a036987d178590,7e2acc5c44cc841c4615bab4b6b3177a,23c4228191682a9c7073bac994bed0d0,f4ee64d2860b6947a77c6e444c00ce17,0b44d5c1954558c9c78b9ab71b43a8fc,528489fe2a7347355c9c75ba0dfade12,c5ed96558134d5d89707b4f030795ac9,f9371e5afd17d59e326f81f082dccd0c,7ffaf9632f6a88fa138ab631cef5fca6,13e9fdae71df398f43fc7e2c554ba072,8e9ab8a64aa250bca80e66f9897cdff2,bb2ce988071fc3f9ee41bbe8f64cebbd,0059c1b67f6c816bf07a953b284e12f3,b5cb497785fc6fd794f20338f7afc14c,6a0fa1226dfd29ec81827cf0a770380a,1a2bf401ad11b920aea66a77af3d8046,14586194141e196b023c5e38a6f03683,f94843a68e8d17529a011f590cdf5032,417212abf6e1318ae576519980e9f39d,ecc01066af191c6e646779391c377b76,c106e4ec6a2e79f5ef1eb2cf97a7c69c,385a4a858036dc9d66e57a13b653c5c5,b7272bc2fa4064c147df5dffc4f01bcc,f1fda8209178c45a048ad08790335b75,cade0ab096f83bdc4646a8e62a8482d5,bf9c378c4a9a831ba31ccffc142cb6bf,61917a69e33ad64ddc9bea369d747c85,689e4a2dc1cad9a516467fa90a7bcc39,075cf2f654b8c3547ad0e17d678fb74f,1ff305186434b36e52807a2ba5de361a,22cce61c2983c93fdf5ffca9516f400d,8820529428861a997e7d72bece76dce0,0379efa85971053ef388efb7abc83463,92590cc090e8ded50153181662f1ff2a,62e1c4c638da77b85e9a7eb2b059b2b4,62262f7b135308962f05df02a94bcf7a,c65d7e4082425c84c4e42cbb35781b41,c44efdbc190a629649a7d2c7b9295208,3f5dc9654ef8d7a7c0835c90fea8fd54,d54b19b6fb20b3846e22f9a8770a20ac,ec1a765605dc58c2e01d31b2910efece,82b41ee941104441fdf430d4cc9ac415,1f6753e6bf6cfd2a4da2ca2058f4b58b,62026654f92c27b0b9d6ef0357cc9ee3,f4ce4e171a0fa9a00c145bfd64646a74,2c4b7abbf697bbd3df8cf8b50fb3ee66,27c3d135afbc125f07729b58564a18bb,7a4dba76d7ecfb223e1454f0932fd415,7d71f064afdcfd2610f3bcb2b6acc27c,c29501af81f339241f3b89a695ae650a (38ms, 0-byte body)
2024-08-29 15:45:05.554 Verbose/JellyfinLogger: <-- [908] END HTTP (39ms, 0-byte body)
2024-08-29 15:45:05.554 Error/JellyfinLogger: Request Error: 403 []
Jellyfin says access denied without a message, so you need to check it’s logs to know more.