Flow price: --
81771a7040abc8d84151205a89feee25ac912e0885909d4b53f1a25506ad0eaa

Transaction

Hash: 81771a7040abc8d84151205a89feee25ac912e0885909d4b53f1a25506ad0eaa
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 81771a7040abc8d84151205a89feee25ac912e0885909d4b53f1a25506ad0eaa: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:
81771a7040abc8d84151205a89feee25ac912e0885909d4b53f1a25506ad0eaa
Status:
ERROR
Block height:
39848765
Block id:
18092217e61b6e3ab0566e890f06a7e682c6ca3f8a89e5161a9c05d87f6453ce
Timestamp:
Friday 28 October 2022 at 05:15:50 UTC
()
Proposer:
Authorizers:
Gas used:
52