Flow price: --
581a69b413d1df9dfaaf81758c9090a58a8022c5926cb93fa9b393020d080057

Transaction

Hash: 581a69b413d1df9dfaaf81758c9090a58a8022c5926cb93fa9b393020d080057
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 581a69b413d1df9dfaaf81758c9090a58a8022c5926cb93fa9b393020d080057:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
581a69b413d1df9dfaaf81758c9090a58a8022c5926cb93fa9b393020d080057
Status:
ERROR
Block height:
39875628
Block id:
fd8b25dc08dc1a88f47d327e864f9dc5ff5a7a7a1348c631bb7ae3caf6ecdd73
Timestamp:
Friday 28 October 2022 at 16:04:47 UTC
()
Proposer:
Authorizers:
Gas used:
49