Flow price: --
75934e0ea9833e316dc6a3b9f931122705f9ab68e6a32b4b61f54cab9bc794a8

Transaction

Hash: 75934e0ea9833e316dc6a3b9f931122705f9ab68e6a32b4b61f54cab9bc794a8
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 75934e0ea9833e316dc6a3b9f931122705f9ab68e6a32b4b61f54cab9bc794a8:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
75934e0ea9833e316dc6a3b9f931122705f9ab68e6a32b4b61f54cab9bc794a8
Status:
ERROR
Block height:
39868778
Block id:
1968f0892b0b2ca540a4bbdb83083ec3cc3cb21e6aa44d5ea194ef83f83b41b9
Timestamp:
Friday 28 October 2022 at 13:20:31 UTC
()
Proposer:
Authorizers:
Gas used:
46