Flow price: --
a5559956d5d62a9ddd934fc87270c193d326bfc7965006e918c80374b71f246c

Transaction

Hash: a5559956d5d62a9ddd934fc87270c193d326bfc7965006e918c80374b71f246c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a5559956d5d62a9ddd934fc87270c193d326bfc7965006e918c80374b71f246c: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:
a5559956d5d62a9ddd934fc87270c193d326bfc7965006e918c80374b71f246c
Status:
ERROR
Block height:
40037688
Block id:
ddb471823fa593b290fc4994cf4d9ff4e360a1fe552461acbe2b3067e05b9751
Timestamp:
Monday 31 October 2022 at 08:47:43 UTC
()
Proposer:
Authorizers:
Gas used:
47