Flow price: --
efca4cb830035e9e5c07b6d653dfa7b8c45e143551934a24e415c58fbb79823e

Transaction

Hash: efca4cb830035e9e5c07b6d653dfa7b8c45e143551934a24e415c58fbb79823e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> efca4cb830035e9e5c07b6d653dfa7b8c45e143551934a24e415c58fbb79823e: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:
efca4cb830035e9e5c07b6d653dfa7b8c45e143551934a24e415c58fbb79823e
Status:
ERROR
Block height:
40161145
Block id:
9b9d768587c149265a5a4f394c208731d31872b00afd55791aba1557697be15b
Timestamp:
Wednesday 2 November 2022 at 10:46:14 UTC
()
Proposer:
Authorizers:
Gas used:
47