Flow price: --
977dfc1ccbfcf341db7c83af2588b8d2b16294d4517c6ffbe5f3a6ba3cd1e852

Transaction

Hash: 977dfc1ccbfcf341db7c83af2588b8d2b16294d4517c6ffbe5f3a6ba3cd1e852
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 977dfc1ccbfcf341db7c83af2588b8d2b16294d4517c6ffbe5f3a6ba3cd1e852:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
977dfc1ccbfcf341db7c83af2588b8d2b16294d4517c6ffbe5f3a6ba3cd1e852
Status:
ERROR
Block height:
39859343
Block id:
545520378cfbf97b1c9e6cbaa7d4d842a31ccd4f037925f87229f5245150adb5
Timestamp:
Friday 28 October 2022 at 09:32:54 UTC
()
Proposer:
Authorizers:
Gas used:
49