Flow price: --
c5e7d5f59ea82e68f6f1da962c447fbd5624cec3a323c170e573435005cbbc37

Transaction

Hash: c5e7d5f59ea82e68f6f1da962c447fbd5624cec3a323c170e573435005cbbc37
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c5e7d5f59ea82e68f6f1da962c447fbd5624cec3a323c170e573435005cbbc37:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c5e7d5f59ea82e68f6f1da962c447fbd5624cec3a323c170e573435005cbbc37
Status:
ERROR
Block height:
40026269
Block id:
ee4f239a96549d5a782489a618205297cc6fbf9ec3ef6b9ab9257751cb4a1362
Timestamp:
Monday 31 October 2022 at 04:12:22 UTC
()
Proposer:
Authorizers:
Gas used:
46