Flow price: --
1c5f7af5fb4094e1f1330b87891f4fe808c5886a749c636af4f785ecd424a821

Transaction

Hash: 1c5f7af5fb4094e1f1330b87891f4fe808c5886a749c636af4f785ecd424a821
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1c5f7af5fb4094e1f1330b87891f4fe808c5886a749c636af4f785ecd424a821:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1c5f7af5fb4094e1f1330b87891f4fe808c5886a749c636af4f785ecd424a821
Status:
ERROR
Block height:
40104480
Block id:
279f505246d4fdb84f6d8a438e8478746b203e74a8c2663b242443b1c2f3e55b
Timestamp:
Tuesday 1 November 2022 at 11:43:58 UTC
()
Proposer:
Authorizers:
Gas used:
50