Flow price: --
d256ca7593a5f2c205859ab64ff7b8ec38f2ae46430a5c23c973306050841628

Transaction

Hash: d256ca7593a5f2c205859ab64ff7b8ec38f2ae46430a5c23c973306050841628
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d256ca7593a5f2c205859ab64ff7b8ec38f2ae46430a5c23c973306050841628:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d256ca7593a5f2c205859ab64ff7b8ec38f2ae46430a5c23c973306050841628
Status:
ERROR
Block height:
39813845
Block id:
eb9b57e3da88c7673f589dfbe7cb3b7e5e40f73fe0c7103bd39983279e3f1f89
Timestamp:
Thursday 27 October 2022 at 15:11:00 UTC
()
Proposer:
Authorizers:
Gas used:
49