Flow price: --
236240f23fb27d3d3d39e88316654a8e208e9ea57293a066560176f0d08eb227

Transaction

Hash: 236240f23fb27d3d3d39e88316654a8e208e9ea57293a066560176f0d08eb227
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 236240f23fb27d3d3d39e88316654a8e208e9ea57293a066560176f0d08eb227:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
236240f23fb27d3d3d39e88316654a8e208e9ea57293a066560176f0d08eb227
Status:
ERROR
Block height:
39975288
Block id:
7981e6525a2f4219c795dcb8ba6841c781f83ada02148368580ba52cdfba3c4e
Timestamp:
Sunday 30 October 2022 at 07:52:56 UTC
()
Proposer:
Authorizers:
Gas used:
47