Flow price: --
99d6bd86aebfe33f8d63c7351ecff8609062e9f46b53734ebdf2ddbf61cfcbce

Transaction

Hash: 99d6bd86aebfe33f8d63c7351ecff8609062e9f46b53734ebdf2ddbf61cfcbce
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 99d6bd86aebfe33f8d63c7351ecff8609062e9f46b53734ebdf2ddbf61cfcbce: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:
99d6bd86aebfe33f8d63c7351ecff8609062e9f46b53734ebdf2ddbf61cfcbce
Status:
ERROR
Block height:
40020229
Block id:
f0f68c0b326f7d03fab88130c0a646cec44aebc81e906e847d57b0d77eec802e
Timestamp:
Monday 31 October 2022 at 01:47:51 UTC
()
Proposer:
Authorizers:
Gas used:
53