Transaction

[Error Code: 1101] error caused by: 1 error occurred:
	* transaction invocation failed when executing transaction: [Error Code: 1101] cadence runtime error: Execution failed:
  --> cf03f16266dc9a8110d35fdce93014b0547d84ee35b61533f70eeb6727f66e71:30:12
   |
30 |             self.admin.mintNFT(
   |             ^

error: panic: mintNFT() failed: royalty not found: royalty_b
   --> ca63ce22f0d6bdba.Cryptoys:353:24