Flow price: --
9e6ca54f7ae68f9c0bd7ffbaf5e229beeba9690d997d5fc52efe06ace3daa4c0

Transaction

Hash: 9e6ca54f7ae68f9c0bd7ffbaf5e229beeba9690d997d5fc52efe06ace3daa4c0
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9e6ca54f7ae68f9c0bd7ffbaf5e229beeba9690d997d5fc52efe06ace3daa4c0:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
9e6ca54f7ae68f9c0bd7ffbaf5e229beeba9690d997d5fc52efe06ace3daa4c0
Status:
ERROR
Block height:
39819580
Block id:
f8a5a04fe992619022fa05ac4d313db4904f003104a3cbe3de20de4b15bdff79
Timestamp:
Thursday 27 October 2022 at 17:29:47 UTC
()
Proposer:
Authorizers:
Gas used:
46