Flow price: --
680271d2b494525e6012af4873952d0f7a4154ec3f96b8787c6724e359dbe303

Transaction

Hash: 680271d2b494525e6012af4873952d0f7a4154ec3f96b8787c6724e359dbe303
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 680271d2b494525e6012af4873952d0f7a4154ec3f96b8787c6724e359dbe303:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
680271d2b494525e6012af4873952d0f7a4154ec3f96b8787c6724e359dbe303
Status:
ERROR
Block height:
39969425
Block id:
082b4dc6ac234652ded1ce7aa3160b0f417f173d998d88c4e7b451eef2413043
Timestamp:
Sunday 30 October 2022 at 05:31:40 UTC
()
Proposer:
Authorizers:
Gas used:
49