Flow price: --
ff62568664b0eabd9561e5ba4181c7a8666931fe8225983197aa140f66911688

Transaction

Hash: ff62568664b0eabd9561e5ba4181c7a8666931fe8225983197aa140f66911688
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> ff62568664b0eabd9561e5ba4181c7a8666931fe8225983197aa140f66911688:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
ff62568664b0eabd9561e5ba4181c7a8666931fe8225983197aa140f66911688
Status:
ERROR
Block height:
39976902
Block id:
1195665b4db4ed877aba0d0cceaec29128aba42f54c77a9b031946e0ac12e7f9
Timestamp:
Sunday 30 October 2022 at 08:31:33 UTC
()
Proposer:
Authorizers:
Gas used:
50