Flow price: --
637a409c73e71a6b63c9ab765e093c4e13316a7a5068af99b66c749a72870a66

Transaction

Hash: 637a409c73e71a6b63c9ab765e093c4e13316a7a5068af99b66c749a72870a66
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 637a409c73e71a6b63c9ab765e093c4e13316a7a5068af99b66c749a72870a66:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
637a409c73e71a6b63c9ab765e093c4e13316a7a5068af99b66c749a72870a66
Status:
ERROR
Block height:
40170050
Block id:
25b60704726205c105e6728e69dcee06557965c9de8f5ee250fdd0f5116507d6
Timestamp:
Wednesday 2 November 2022 at 14:21:41 UTC
()
Proposer:
Authorizers:
Gas used:
48