Flow price: --
b57ad4ecb8e115de2794614bd99099891d41b64e8e5a7cb664629567b4e9e55d

Transaction

Hash: b57ad4ecb8e115de2794614bd99099891d41b64e8e5a7cb664629567b4e9e55d
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b57ad4ecb8e115de2794614bd99099891d41b64e8e5a7cb664629567b4e9e55d: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:
b57ad4ecb8e115de2794614bd99099891d41b64e8e5a7cb664629567b4e9e55d
Status:
ERROR
Block height:
40030234
Block id:
9d11f27e966c0411e9bcc141c6b11fbe8fd136f309adfa55c3c413b1fb9faae9
Timestamp:
Monday 31 October 2022 at 05:48:54 UTC
()
Proposer:
Authorizers:
Gas used:
49