Flow price: --
2e897f2f5ac50de315e8ab9555d97d0c826e04c86768dcbab0953b9729fdc581

Transaction

Hash: 2e897f2f5ac50de315e8ab9555d97d0c826e04c86768dcbab0953b9729fdc581
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 2e897f2f5ac50de315e8ab9555d97d0c826e04c86768dcbab0953b9729fdc581:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
2e897f2f5ac50de315e8ab9555d97d0c826e04c86768dcbab0953b9729fdc581
Status:
ERROR
Block height:
39888196
Block id:
85f5f007735ed283adde20c6878ac853e662c016940d27eae98fc8a3d9ac8a84
Timestamp:
Friday 28 October 2022 at 21:04:57 UTC
()
Proposer:
Authorizers:
Gas used:
46