Flow price: --
c402486d602a06c04f8735058be34c71b1661952fa5d3f3d40170fff22295ff2

Transaction

Hash: c402486d602a06c04f8735058be34c71b1661952fa5d3f3d40170fff22295ff2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c402486d602a06c04f8735058be34c71b1661952fa5d3f3d40170fff22295ff2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c402486d602a06c04f8735058be34c71b1661952fa5d3f3d40170fff22295ff2
Status:
ERROR
Block height:
39908165
Block id:
f78748ef5311c0513b090118b330df5cad32fd0c1d8c8bc18d09f19e1573c40c
Timestamp:
Saturday 29 October 2022 at 05:01:52 UTC
()
Proposer:
Authorizers:
Gas used:
46