BAD_INDICATOR errno=11

[capof1000]

Basically this program work perfectly after device is freshly flash. But as soon as i restart my esp , nothing works anymore :

the esp captive portail have the basic appareance (only option is the OTA)
and log display this :

12:57:01 | [D] | [esp32.preferences:114] | Saving 1 preferences to flash...
12:57:01 | [D] | [esp32.preferences:143] | Saving 1 preferences to flash: 0 cached, 1 written, 0 failed
12:57:05 | [D] | [api:103] | Accepted 192.168.1.114
12:57:05 | [W] | [api.connection:108] | : Reading failed: BAD_INDICATOR errno=11
12:57:05 | [D] | [api:103] | Accepted 192.168.1.114
12:57:05 | [W] | [api.connection:108] | : Reading failed: BAD_INDICATOR errno=11
12:57:05 | [D] | [api:103] | Accepted 192.168.1.114
12:57:05 | [W] | [api.connection:108] | : Reading failed: BAD_INDICATOR errno=11
12:57:05 | [D] | [api:103] | Accepted 192.168.1.114
12:57:05 | [W] | [api.connection:108] | : Reading failed: BAD_INDICATOR errno=11
12:57:52 | [D] | [api:103] | Accepted 192.168.1.114
12:57:52 | [W] | [api.connection:108] | : Reading failed: BAD_INDICATOR errno=11
12:57:52 | [D] | [api:103] | Accepted 192.168.1.114
12:57:52 | [W] | [api.connection:108] | : Reading failed: BAD_INDICATOR errno=11
12:57:52 | [D] | [api:103] | Accepted 192.168.1.114
12:57:52 | [W] | [api.connection:108] | : Reading failed: BAD_INDICATOR errno=11
12:57:52 | [D] | [api:103] | Accepted 192.168.1.114

My search bring me to a problem related to the api encryption key.
I try those 2 configs:

api:
encryption:
key: "abcdefghijk123456789"

and also only :
api:

but same result.