Flow price: --
304965a0cc653597c61994fe538f1aa05bb3f1e7c03333471bec7ef703d523ac

Transaction

Hash: 304965a0cc653597c61994fe538f1aa05bb3f1e7c03333471bec7ef703d523ac
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 304965a0cc653597c61994fe538f1aa05bb3f1e7c03333471bec7ef703d523ac: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:
304965a0cc653597c61994fe538f1aa05bb3f1e7c03333471bec7ef703d523ac
Status:
ERROR
Block height:
39758992
Block id:
0ce5d631dab81d0b9105652ecf9b3b85990546aaaba79a8dbb616309e750037f
Timestamp:
Wednesday 26 October 2022 at 17:03:58 UTC
()
Proposer:
Authorizers:
Gas used:
47