Flow price: --
681a20f00d68cce1e3efe3fe291f37418c3de3870f2e180de5306cd62eaf2db9

Transaction

Hash: 681a20f00d68cce1e3efe3fe291f37418c3de3870f2e180de5306cd62eaf2db9
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 681a20f00d68cce1e3efe3fe291f37418c3de3870f2e180de5306cd62eaf2db9:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
681a20f00d68cce1e3efe3fe291f37418c3de3870f2e180de5306cd62eaf2db9
Status:
ERROR
Block height:
40165669
Block id:
01b1bd5e0db8ae39f958f1ba7484da3fdafbcd3dbe420bc595db0f7aa4680686
Timestamp:
Wednesday 2 November 2022 at 12:35:49 UTC
()
Proposer:
Authorizers:
Gas used:
48