Flow price: --
84b2acf47188214c3f2a158e7d54ffebcec99046cea189d436ca44fe612efb40

Transaction

Hash: 84b2acf47188214c3f2a158e7d54ffebcec99046cea189d436ca44fe612efb40
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 84b2acf47188214c3f2a158e7d54ffebcec99046cea189d436ca44fe612efb40:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
84b2acf47188214c3f2a158e7d54ffebcec99046cea189d436ca44fe612efb40
Status:
ERROR
Block height:
40057351
Block id:
b012e50911c1c71ab78005fc832e542b90576e364281c183231f2a893d7c424a
Timestamp:
Monday 31 October 2022 at 16:45:32 UTC
()
Proposer:
Authorizers:
Gas used:
49