Flow price: --
47bf4a36a4272bf026033ed175147cc4eddcb9a3ba63ffe184980d56ce259396

Transaction

Hash: 47bf4a36a4272bf026033ed175147cc4eddcb9a3ba63ffe184980d56ce259396
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 47bf4a36a4272bf026033ed175147cc4eddcb9a3ba63ffe184980d56ce259396:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
47bf4a36a4272bf026033ed175147cc4eddcb9a3ba63ffe184980d56ce259396
Status:
ERROR
Block height:
40033561
Block id:
da3b8a0583d907890e90753da966ea34a4a6e97f47d4a10472090461361f208f
Timestamp:
Monday 31 October 2022 at 07:09:30 UTC
()
Proposer:
Authorizers:
Gas used:
49