Flow price: --
b41e2bcf82c1b2b1460ff1971638e3e1e1e5d994ab7553a9d9b8e7d3b955179e

Transaction

Hash: b41e2bcf82c1b2b1460ff1971638e3e1e1e5d994ab7553a9d9b8e7d3b955179e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b41e2bcf82c1b2b1460ff1971638e3e1e1e5d994ab7553a9d9b8e7d3b955179e: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:
b41e2bcf82c1b2b1460ff1971638e3e1e1e5d994ab7553a9d9b8e7d3b955179e
Status:
ERROR
Block height:
39857171
Block id:
4ef7e3c783289501b4adf8e167fe43145d70d641ec1a9c386a918f6be10a71db
Timestamp:
Friday 28 October 2022 at 08:40:44 UTC
()
Proposer:
Authorizers:
Gas used:
46