Flow price: --
6702237a0206a3b6d53002e1ba64ef6a8d15bc7d223a2fa8fea60a4bc193e8c0

Transaction

Hash: 6702237a0206a3b6d53002e1ba64ef6a8d15bc7d223a2fa8fea60a4bc193e8c0
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 6702237a0206a3b6d53002e1ba64ef6a8d15bc7d223a2fa8fea60a4bc193e8c0:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
6702237a0206a3b6d53002e1ba64ef6a8d15bc7d223a2fa8fea60a4bc193e8c0
Status:
ERROR
Block height:
39915855
Block id:
f1e58742be83cbc2728fc3b9d3af6bc64512d39a905c30f2d059648136e8b795
Timestamp:
Saturday 29 October 2022 at 08:06:54 UTC
()
Proposer:
Authorizers:
Gas used:
54