Flow price: --
5146576a248d6813b7787f754a41a8716f8cd31406f729a6f863cb7d74958612

Transaction

Hash: 5146576a248d6813b7787f754a41a8716f8cd31406f729a6f863cb7d74958612
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5146576a248d6813b7787f754a41a8716f8cd31406f729a6f863cb7d74958612:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
5146576a248d6813b7787f754a41a8716f8cd31406f729a6f863cb7d74958612
Status:
ERROR
Block height:
40101720
Block id:
59747fae679ca6a8ef829d6a93639edab73c5f6c6f5bd6163416fa75e947d49f
Timestamp:
Tuesday 1 November 2022 at 10:36:48 UTC
()
Proposer:
Authorizers:
Gas used:
47