Flow price: --
7fc7103c92437e5bdf52612325634c2ac42c3d09eb6c72a2ac51b9defb8d0b35

Transaction

Hash: 7fc7103c92437e5bdf52612325634c2ac42c3d09eb6c72a2ac51b9defb8d0b35
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7fc7103c92437e5bdf52612325634c2ac42c3d09eb6c72a2ac51b9defb8d0b35:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
7fc7103c92437e5bdf52612325634c2ac42c3d09eb6c72a2ac51b9defb8d0b35
Status:
ERROR
Block height:
39966391
Block id:
5fa0aa86d5cb5bccc39c67a2cccb4d1df26051ac2ddc2768361ce9ee379cbd23
Timestamp:
Sunday 30 October 2022 at 04:19:02 UTC
()
Proposer:
Authorizers:
Gas used:
46