Flow price: --
4908f5c2bfcabfb0425a1700d46becb25b70b6c252f0315f53246e6848bcd76b

Transaction

Hash: 4908f5c2bfcabfb0425a1700d46becb25b70b6c252f0315f53246e6848bcd76b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4908f5c2bfcabfb0425a1700d46becb25b70b6c252f0315f53246e6848bcd76b: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:
4908f5c2bfcabfb0425a1700d46becb25b70b6c252f0315f53246e6848bcd76b
Status:
ERROR
Block height:
40111263
Block id:
56a020b306bcf8a76922214e3eab18f1dc49a2922758f65d23a4e5191e75f992
Timestamp:
Tuesday 1 November 2022 at 14:28:30 UTC
()
Proposer:
Authorizers:
Gas used:
47