Flow price: --
c69f2af100446850cf318234f0231622a5112acb25dfbbce6d5e469b06bce6b6

Transaction

Hash: c69f2af100446850cf318234f0231622a5112acb25dfbbce6d5e469b06bce6b6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c69f2af100446850cf318234f0231622a5112acb25dfbbce6d5e469b06bce6b6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c69f2af100446850cf318234f0231622a5112acb25dfbbce6d5e469b06bce6b6
Status:
ERROR
Block height:
40144236
Block id:
21b53fdb83ce038b0f4786b17729552d1f44063f844b6cdb715c1cfffa2ed078
Timestamp:
Wednesday 2 November 2022 at 03:53:30 UTC
()
Proposer:
Authorizers:
Gas used:
49