Flow price: --
644ec6d15e1aa396fc79e3303278ec0a48e16ed5f7bde5c3cf870f815c17fce5

Transaction

Hash: 644ec6d15e1aa396fc79e3303278ec0a48e16ed5f7bde5c3cf870f815c17fce5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 644ec6d15e1aa396fc79e3303278ec0a48e16ed5f7bde5c3cf870f815c17fce5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
644ec6d15e1aa396fc79e3303278ec0a48e16ed5f7bde5c3cf870f815c17fce5
Status:
ERROR
Block height:
39817629
Block id:
a5d41b3f68928b007fbc5ac6b352b0a6709cec82b9621ee7df5772c56bfa1177
Timestamp:
Thursday 27 October 2022 at 16:42:19 UTC
()
Proposer:
Authorizers:
Gas used:
47