Flow price: --
f2f98e6de085167a2c0d862391231334cba83c5124e6fbf33ac40517ca2aa4fb

Transaction

Hash: f2f98e6de085167a2c0d862391231334cba83c5124e6fbf33ac40517ca2aa4fb
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f2f98e6de085167a2c0d862391231334cba83c5124e6fbf33ac40517ca2aa4fb: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:
f2f98e6de085167a2c0d862391231334cba83c5124e6fbf33ac40517ca2aa4fb
Status:
ERROR
Block height:
40097063
Block id:
6a58df64d9b68acf9ee9d2fcafeacf9a98b071f68ff939bcd5648f169dd83127
Timestamp:
Tuesday 1 November 2022 at 08:43:41 UTC
()
Proposer:
Authorizers:
Gas used:
47