Flow price: --
a36ff9b56a62d5945342d5937bee90e32422f22b8a2bc235ab8c0f8a950df8f9

Transaction

Hash: a36ff9b56a62d5945342d5937bee90e32422f22b8a2bc235ab8c0f8a950df8f9
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a36ff9b56a62d5945342d5937bee90e32422f22b8a2bc235ab8c0f8a950df8f9:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a36ff9b56a62d5945342d5937bee90e32422f22b8a2bc235ab8c0f8a950df8f9
Status:
ERROR
Block height:
39971307
Block id:
a57b36aa5653310320f571d751126db1cd94bd291fc3e77dd9bc6b9023b1782c
Timestamp:
Sunday 30 October 2022 at 06:17:09 UTC
()
Proposer:
Authorizers:
Gas used:
47