Flow price: --
7cdf49f6ff1147a499416151f941f2ff439fade3e52de4300868f1e4e4488fc3

Transaction

Hash: 7cdf49f6ff1147a499416151f941f2ff439fade3e52de4300868f1e4e4488fc3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7cdf49f6ff1147a499416151f941f2ff439fade3e52de4300868f1e4e4488fc3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
7cdf49f6ff1147a499416151f941f2ff439fade3e52de4300868f1e4e4488fc3
Status:
ERROR
Block height:
39861338
Block id:
1d556829ca39dbc3edbc58af5ae9e436f89492f38b9ca9f86053a1b281c68ffb
Timestamp:
Friday 28 October 2022 at 10:21:10 UTC
()
Proposer:
Authorizers:
Gas used:
47