Flow price: --
c68a16373a94f25e64f3e0e01d7afab4135d3debf78d01d9e4f7ac98894d3271

Transaction

Hash: c68a16373a94f25e64f3e0e01d7afab4135d3debf78d01d9e4f7ac98894d3271
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c68a16373a94f25e64f3e0e01d7afab4135d3debf78d01d9e4f7ac98894d3271:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c68a16373a94f25e64f3e0e01d7afab4135d3debf78d01d9e4f7ac98894d3271
Status:
ERROR
Block height:
40169482
Block id:
07f7842efd214eb804e129aa481cb4e2782267c19e7a8c0b40a5b80b999e560d
Timestamp:
Wednesday 2 November 2022 at 14:07:54 UTC
()
Proposer:
Authorizers:
Gas used:
50