A transaction outside Shade’s curves

Program ComputeBudget111111111111111111111111111111 invoke [1]
Program ComputeBudget111111111111111111111111111111 success
Program ComputeBudget111111111111111111111111111111 invoke [1]
Program ComputeBudget111111111111111111111111111111 success
Program 6EF8rrecthR5Dkzon8Nwu78hRvfCKubJ14M5uBEwF6P invoke [1]
Program log: Instruction: Sell
Program log: panicked at programs/pump/src/lib.rs:236:9:
attempt to subtract with overflow
Program 6EF8rrecthR5Dkzon8Nwu78hRvfCKubJ14M5uBEwF6P consumed 20985 of 49700 compute units
Program 6EF8rrecthR5Dkzon8Nwu78hRvfCKubJ14M5uBEwF6P failed: SBF program panicked