Flow price: --
505c31e0900d65e599b962d7b760977eecd9cf9a8d49584a6b98553ff3e7ce55

Transaction

Hash: 505c31e0900d65e599b962d7b760977eecd9cf9a8d49584a6b98553ff3e7ce55
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 505c31e0900d65e599b962d7b760977eecd9cf9a8d49584a6b98553ff3e7ce55:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
505c31e0900d65e599b962d7b760977eecd9cf9a8d49584a6b98553ff3e7ce55
Status:
ERROR
Block height:
40000131
Block id:
06e2e0cc3a4cfaf398b5c8bcd199825e67d27c78206dd0b35cca57b1a2b9c435
Timestamp:
Sunday 30 October 2022 at 17:49:19 UTC
()
Proposer:
Authorizers:
Gas used:
46