Flow price: --
dde92e2c57feb6928f699a18a243a878b5a530e8c2e91a6d67c97b8e07e7c756

Transaction

Hash: dde92e2c57feb6928f699a18a243a878b5a530e8c2e91a6d67c97b8e07e7c756
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> dde92e2c57feb6928f699a18a243a878b5a530e8c2e91a6d67c97b8e07e7c756:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
dde92e2c57feb6928f699a18a243a878b5a530e8c2e91a6d67c97b8e07e7c756
Status:
ERROR
Block height:
39766814
Block id:
d4e08cedab62c4a2b4a8a943a73bd69857bb6467d268f1f7cf78035d75230a6e
Timestamp:
Wednesday 26 October 2022 at 20:13:21 UTC
()
Proposer:
Authorizers:
Gas used:
50