Flow price: --
1b495c7d29a47d3718477bb5fc8e32f010cf79667b5bb2c3c6e07150f25b79ec

Transaction

Hash: 1b495c7d29a47d3718477bb5fc8e32f010cf79667b5bb2c3c6e07150f25b79ec
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1b495c7d29a47d3718477bb5fc8e32f010cf79667b5bb2c3c6e07150f25b79ec: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:
1b495c7d29a47d3718477bb5fc8e32f010cf79667b5bb2c3c6e07150f25b79ec
Status:
ERROR
Block height:
39849890
Block id:
e92a165bf8b78299d9ed2b3dc9bdf7ffbcb5012e42ed35723a6fd23cab5bc5ad
Timestamp:
Friday 28 October 2022 at 05:42:44 UTC
()
Proposer:
Authorizers:
Gas used:
47