Flow price: --
c90d3be89f2f71e22546d00c86983ea1e8d8260c09cdea91286c7a8131c01819

Transaction

Hash: c90d3be89f2f71e22546d00c86983ea1e8d8260c09cdea91286c7a8131c01819
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c90d3be89f2f71e22546d00c86983ea1e8d8260c09cdea91286c7a8131c01819:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c90d3be89f2f71e22546d00c86983ea1e8d8260c09cdea91286c7a8131c01819
Status:
ERROR
Block height:
39850155
Block id:
954db1b8c5bf8b4323d7e21399d6b0cc2e46d94a27c2f0a9eb9e1e036641acfe
Timestamp:
Friday 28 October 2022 at 05:49:12 UTC
()
Proposer:
Authorizers:
Gas used:
49