Flow price: --
8271c7593f14c30ff5036fe9cadaed1ab762c2b73a693a64e99599dcc8041e23

Transaction

Hash: 8271c7593f14c30ff5036fe9cadaed1ab762c2b73a693a64e99599dcc8041e23
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8271c7593f14c30ff5036fe9cadaed1ab762c2b73a693a64e99599dcc8041e23:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
8271c7593f14c30ff5036fe9cadaed1ab762c2b73a693a64e99599dcc8041e23
Status:
ERROR
Block height:
40118555
Block id:
b40476958dd6ec6935ea37d719ac27538fb75891fb1fbc064609e5548201f1f7
Timestamp:
Tuesday 1 November 2022 at 17:26:05 UTC
()
Proposer:
Authorizers:
Gas used:
46