Flow price: --
e561c859f74de9c2a6d6ae96bb0d2c150e228d4c7531b963f507f140639efbc3

Transaction

Hash: e561c859f74de9c2a6d6ae96bb0d2c150e228d4c7531b963f507f140639efbc3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> e561c859f74de9c2a6d6ae96bb0d2c150e228d4c7531b963f507f140639efbc3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
e561c859f74de9c2a6d6ae96bb0d2c150e228d4c7531b963f507f140639efbc3
Status:
ERROR
Block height:
40161188
Block id:
d5585d43be701c2b1e81c6da23fdb631690bbd210ee645ecb6ca46a256969cb5
Timestamp:
Wednesday 2 November 2022 at 10:47:14 UTC
()
Proposer:
Authorizers:
Gas used:
50