Flow price: --
b8f6992ed35c646c71c9791977c00ab051d92eda9597452e8bdfff2300ef388c

Transaction

Hash: b8f6992ed35c646c71c9791977c00ab051d92eda9597452e8bdfff2300ef388c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b8f6992ed35c646c71c9791977c00ab051d92eda9597452e8bdfff2300ef388c: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:
b8f6992ed35c646c71c9791977c00ab051d92eda9597452e8bdfff2300ef388c
Status:
ERROR
Block height:
40118784
Block id:
91efa45135e185460f17a9349fc1380a631b309bd8a3de2309b1b42104d051f2
Timestamp:
Tuesday 1 November 2022 at 17:31:39 UTC
()
Proposer:
Authorizers:
Gas used:
50