Flow price: --
ed9a7cf1556031809f4198ef5a16cc31a4ccd2272af536b58c5200b2adb2495b

Transaction

Hash: ed9a7cf1556031809f4198ef5a16cc31a4ccd2272af536b58c5200b2adb2495b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> ed9a7cf1556031809f4198ef5a16cc31a4ccd2272af536b58c5200b2adb2495b: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:
ed9a7cf1556031809f4198ef5a16cc31a4ccd2272af536b58c5200b2adb2495b
Status:
ERROR
Block height:
39862921
Block id:
26832de42a512fd8867337508f70c1f6dd299572547bea0ffb4f608f30736c2f
Timestamp:
Friday 28 October 2022 at 10:59:07 UTC
()
Proposer:
Authorizers:
Gas used:
47