Flow price: --
463931493e670405d7a5151ac77e6dc7dd9e0230f5415b2ddaba3aa4ec411926

Transaction

Hash: 463931493e670405d7a5151ac77e6dc7dd9e0230f5415b2ddaba3aa4ec411926
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 463931493e670405d7a5151ac77e6dc7dd9e0230f5415b2ddaba3aa4ec411926:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
463931493e670405d7a5151ac77e6dc7dd9e0230f5415b2ddaba3aa4ec411926
Status:
ERROR
Block height:
40110108
Block id:
d31dac53ba4005dcd54c8da037e1ddb98d74cc687a5a61d6eb8e53cfc829af09
Timestamp:
Tuesday 1 November 2022 at 14:00:32 UTC
()
Proposer:
Authorizers:
Gas used:
48