Flow price: --
871c547fb5d34f67316e106330eac0050aabe17495968d89ee9b3844beeec167

Transaction

Hash: 871c547fb5d34f67316e106330eac0050aabe17495968d89ee9b3844beeec167
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 871c547fb5d34f67316e106330eac0050aabe17495968d89ee9b3844beeec167:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
871c547fb5d34f67316e106330eac0050aabe17495968d89ee9b3844beeec167
Status:
ERROR
Block height:
39848379
Block id:
6a9967667fa177663e99b081e729069b2869f1c03cae58adbaa82c3c84e16c50
Timestamp:
Friday 28 October 2022 at 05:06:31 UTC
()
Proposer:
Authorizers:
Gas used:
59