Flow price: --
28087a3e6c6297053544366e4758195871e7ca2e9fc1a207f57e07bfab668096

Transaction

Hash: 28087a3e6c6297053544366e4758195871e7ca2e9fc1a207f57e07bfab668096
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 28087a3e6c6297053544366e4758195871e7ca2e9fc1a207f57e07bfab668096:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
28087a3e6c6297053544366e4758195871e7ca2e9fc1a207f57e07bfab668096
Status:
ERROR
Block height:
40042636
Block id:
0d4722358daeec997487d1f0bb5a3a420c01c3eb36db4b9f746d9437b95b49b6
Timestamp:
Monday 31 October 2022 at 10:47:55 UTC
()
Proposer:
Authorizers:
Gas used:
47