Flow price: --
15a39434e0f63be011542bb023f4140efc9a7a26483da231a9d189e34d50fe22

Transaction

Hash: 15a39434e0f63be011542bb023f4140efc9a7a26483da231a9d189e34d50fe22
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 15a39434e0f63be011542bb023f4140efc9a7a26483da231a9d189e34d50fe22:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
15a39434e0f63be011542bb023f4140efc9a7a26483da231a9d189e34d50fe22
Status:
ERROR
Block height:
39863110
Block id:
37dbb214b8dc25b9b54c210e62eca404d7ed41acef9e260268019633fc30b7db
Timestamp:
Friday 28 October 2022 at 11:03:41 UTC
()
Proposer:
Authorizers:
Gas used:
49