Bond problem after 50 cycles bond/delete pair

[Mikhail]

SDK15, nRF52832, S132

I notice that after about 30-50 bond and delete cycles peripherial to central, central doesn't want to bond. Before it bond and after that delete bond was success. If central device reprogram by nrf go studio, all warks fine again till to 30-50 bond/delete.

How to decide this problem?

[Mikhail]

After 60 bond /delete pairs, on the central side I can't bond more and get above error.

In a debugger after call function 

pm_peer_count();

this function returned 0. Therefore previos delete bonded pairs was success by call function:

APP_ERROR_CHECK(pm_peers_delete());

[Mikhail]

1001 string means:

                // Initiate bonding.
                err_code = pm_conn_secure(p_ble_evt->evt.common_evt.conn_handle, false);
                if (err_code != NRF_ERROR_INVALID_STATE)
                {
                    APP_ERROR_CHECK(err_code);
                }

[Amanda Hsieh]

Hi Mikhail, 

Have you tried to run garbage collection? This post might help you. 

-Amanda H.

[Mikhail]

Yes, it is works. Thanks.