Flow price: --
1a2d9cf6ff870b3b5f97f339e6650813e11686eb1b6503ed45e479552fd87ea5

Transaction

Hash: 1a2d9cf6ff870b3b5f97f339e6650813e11686eb1b6503ed45e479552fd87ea5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1a2d9cf6ff870b3b5f97f339e6650813e11686eb1b6503ed45e479552fd87ea5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1a2d9cf6ff870b3b5f97f339e6650813e11686eb1b6503ed45e479552fd87ea5
Status:
ERROR
Block height:
40051105
Block id:
ff7536fbf972d838ee1ed0cd1f3bf1839025cfe91a38f56254927646db796d3f
Timestamp:
Monday 31 October 2022 at 14:12:35 UTC
()
Proposer:
Authorizers:
Gas used:
48