BEP20 Contract Help (BSC Smart Chain)

Hi, I have finalized my pool using the pinkswap router and locked liquidity using the testnet, there is 1 bnb in the liquidity pool. But, when I try sell my tokens in exchange for BNB, it says insufficient liquidity.

Pinksale testnet launch: https://www.pinksale.finance/#/launchpad/0x3A97d7aCca4A990F27263CF6e741519F297514f2?chain=BSC-Test
Testnet Contract: https://testnet.bscscan.com/address/0x19a537225e4efb32c2489a6cd5e20fd276899aae