Flow price: --
b4d70871d58ad1d77e469547684aaed255c957cfaf0512fb0d8d58fd84513c98

Transaction

Hash: b4d70871d58ad1d77e469547684aaed255c957cfaf0512fb0d8d58fd84513c98
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b4d70871d58ad1d77e469547684aaed255c957cfaf0512fb0d8d58fd84513c98:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b4d70871d58ad1d77e469547684aaed255c957cfaf0512fb0d8d58fd84513c98
Status:
ERROR
Block height:
39737194
Block id:
70f102f708fd9efa9f3deadca8838baacea82d4e8fa826aa7da92db5750061be
Timestamp:
Wednesday 26 October 2022 at 08:17:09 UTC
()
Proposer:
Authorizers:
Gas used:
48