Flow price: --
d19e8d19c9a9d298f24bb101957851dc5e06f6ae9eede5f9475be3f0bab4fd8e

Transaction

Hash: d19e8d19c9a9d298f24bb101957851dc5e06f6ae9eede5f9475be3f0bab4fd8e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d19e8d19c9a9d298f24bb101957851dc5e06f6ae9eede5f9475be3f0bab4fd8e: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:
d19e8d19c9a9d298f24bb101957851dc5e06f6ae9eede5f9475be3f0bab4fd8e
Status:
ERROR
Block height:
39856292
Block id:
b40b82fb31aef4dc1ac0b2f7e21a9dc35f148f78cadea58ad3dcb4d71f3e464a
Timestamp:
Friday 28 October 2022 at 08:19:51 UTC
()
Proposer:
Authorizers:
Gas used:
49