Flow price: --
71c8bdef4f05e7deab6ae883e9643e9bd2aa67b90ae1d1ac53b4e1596c6ed197

Transaction

Hash: 71c8bdef4f05e7deab6ae883e9643e9bd2aa67b90ae1d1ac53b4e1596c6ed197
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 71c8bdef4f05e7deab6ae883e9643e9bd2aa67b90ae1d1ac53b4e1596c6ed197:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
71c8bdef4f05e7deab6ae883e9643e9bd2aa67b90ae1d1ac53b4e1596c6ed197
Status:
ERROR
Block height:
40141921
Block id:
07fec5303aa6d5366cdfc54e55c7ea1157f8ab765416389a6d6248645a919edf
Timestamp:
Wednesday 2 November 2022 at 02:57:27 UTC
()
Proposer:
Authorizers:
Gas used:
47