Flow price: --
1e710768b224d0f20407e7d54527ac94f2f054a24e37ee5b7f079944bedf0400

Transaction

Hash: 1e710768b224d0f20407e7d54527ac94f2f054a24e37ee5b7f079944bedf0400
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1e710768b224d0f20407e7d54527ac94f2f054a24e37ee5b7f079944bedf0400:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1e710768b224d0f20407e7d54527ac94f2f054a24e37ee5b7f079944bedf0400
Status:
ERROR
Block height:
39895587
Block id:
ee2ec247473769f5e5750340d540f11c0289db96512b3bfedae2731ca32ce525
Timestamp:
Saturday 29 October 2022 at 00:00:26 UTC
()
Proposer:
Authorizers:
Gas used:
49