Transaction

[Error Code: 1101] error caused by: 1 error occurred:
	* transaction invocation failed when executing transaction: [Error Code: 1101] cadence runtime error: Execution failed:
  --> 15f4a1bf58894d6ff78ea22f30f29cb77d7748e1145afc8ab592f07bbd08aaba:11:8
   |
11 |         AnalogMinter.mintFreeNFT(buyer: self.buyerAddress, numberOfTokens: numberOfTokens)
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: panic: Could not get receiver reference to the NFT Collection
   --> 427ceada271aa0b1.AnalogMinter:183:9