Bluetooth settings and PAwR (Periodic Advertising with Responses)

When calling the bt_conn_le_create_synced function to create a connection to a peripheral, which is synced to the PAwR train,
I get a CONNECTION FAILED TO BE ESTABLISHED (0x3E) error from the connected callback.
This only happens, when I enable persistent Bluetooth configuration in the peripheral (i.e., enable CONFIG_BT_SETTINGS).

Does the CONFIG_BT_SETTINGS option influence the connection process from the PAwR sync train?
Did i miss a crucial Kconfig?

Here is the proj.conf of my peripheral.

#BLE
CONFIG_BT=y
CONFIG_BT_OBSERVER=y
CONFIG_BT_BROADCASTER=y
CONFIG_BT_EXT_ADV=y
CONFIG_BT_PERIPHERAL=y
CONFIG_BT_SMP=y
CONFIG_BT_BONDABLE=y
CONFIG_BT_GAP_PERIPHERAL_PREF_PARAMS=n
CONFIG_BT_CONN_CHECK_NULL_BEFORE_CREATE=y
CONFIG_BT_L2CAP_TX_BUF_COUNT=8
CONFIG_BT_EXT_ADV_LEGACY_SUPPORT=y
CONFIG_BT_EAD=y
CONFIG_BT_SETTINGS=y

#PAWR
CONFIG_BT_PER_ADV_SYNC=y
CONFIG_BT_PER_ADV_SYNC_TRANSFER_SENDER=y
CONFIG_BT_PER_ADV_SYNC_TRANSFER_RECEIVER=y
CONFIG_BT_PER_ADV_SYNC_RSP=y
CONFIG_BT_PER_ADV_SYNC_BUF_SIZE=247

#DIS
CONFIG_BT_DIS=y
CONFIG_BT_DIS_PNP_VID=0x1915
CONFIG_BT_DIS_PNP_PID=0x5484
CONFIG_BT_DIS_PNP=y
CONFIG_BT_DEVICE_NAME="My esl"
CONFIG_BT_DIS_MODEL="Nordic_Lite_ESL"
CONFIG_BT_DIS_MANUF="NordicSemi"

#Memory sizes
CONFIG_SYSTEM_WORKQUEUE_STACK_SIZE=2048
CONFIG_MAIN_STACK_SIZE=2048
CONFIG_HEAP_MEM_POOL_SIZE=4096

#Storage
CONFIG_FLASH=y
CONFIG_FLASH_MAP=y
CONFIG_NVS=y
CONFIG_FLASH_PAGE_LAYOUT=y
CONFIG_SETTINGS=y

#OTS
CONFIG_BT_OTS=y
CONFIG_BT_OTS_MAX_OBJ_CNT=0x10
CONFIG_BT_OTS_OACP_WRITE_SUPPORT=y
CONFIG_BT_OTS_OACP_PATCH_SUPPORT=y
CONFIG_BT_OTS_OLCP_GO_TO_SUPPORT=y
CONFIG_BT_OTS_DIR_LIST_OBJ=y

#SPI
CONFIG_SPI=y

#DK IO
CONFIG_DK_LIBRARY=y

#LOG
CONFIG_LOG=y

Any help is greatly appreciated.

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