Flow price: --
57012bcbb7db0aeb33d0cda9ef558b140456920f4803f20342d211aa546f68c1

Transaction

Hash: 57012bcbb7db0aeb33d0cda9ef558b140456920f4803f20342d211aa546f68c1
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 57012bcbb7db0aeb33d0cda9ef558b140456920f4803f20342d211aa546f68c1:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
57012bcbb7db0aeb33d0cda9ef558b140456920f4803f20342d211aa546f68c1
Status:
ERROR
Block height:
39855201
Block id:
b03a167f692a92a35a5e2142fdfe819c7e638c831b4c4ac089d2969dc66eb616
Timestamp:
Friday 28 October 2022 at 07:53:10 UTC
()
Proposer:
Authorizers:
Gas used:
50