Flow price: --
4c488ee7d3e9cfbd5ae8656f2043bc199d21a966e5be3495559ecc57d4a29e7c

Transaction

Hash: 4c488ee7d3e9cfbd5ae8656f2043bc199d21a966e5be3495559ecc57d4a29e7c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4c488ee7d3e9cfbd5ae8656f2043bc199d21a966e5be3495559ecc57d4a29e7c: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:
4c488ee7d3e9cfbd5ae8656f2043bc199d21a966e5be3495559ecc57d4a29e7c
Status:
ERROR
Block height:
40110485
Block id:
0bd223ebfaf596f7a77e920fb660681e7ff93fdf5e6f7e01a83c6e11734affb8
Timestamp:
Tuesday 1 November 2022 at 14:09:49 UTC
()
Proposer:
Authorizers:
Gas used:
47