Flow price: --
f512a4c1fa434241708a8b57ff7c84e0cbdb9d89720cbdb4124effe73063c188

Transaction

Hash: f512a4c1fa434241708a8b57ff7c84e0cbdb9d89720cbdb4124effe73063c188
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f512a4c1fa434241708a8b57ff7c84e0cbdb9d89720cbdb4124effe73063c188:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f512a4c1fa434241708a8b57ff7c84e0cbdb9d89720cbdb4124effe73063c188
Status:
ERROR
Block height:
40030299
Block id:
af1074bf90703dbd370d01eb97c34bd6715d068dd283b3b83980d2f191ad9d4e
Timestamp:
Monday 31 October 2022 at 05:50:27 UTC
()
Proposer:
Authorizers:
Gas used:
50