What do I do wrong?

TVM return exit code 9 (cell underflow) 😭

error: 'LITE_SERVER_UNKNOWN: cannot apply external message to current state : External message was not accepted\n' +
'Cannot run message on account: inbound external message rejected by transaction EE43F7156FCA30D66B04FF04C45EF63F8BD68699ADBB39FCF5B636A306F6B6ED:\n' +
'exitcode=9, steps=19, gas_used=0\n' +
'VM Log (truncated):\n' +
'...te LDU 32\n' +
'execute LDU 256\n' +
'execute LDREF\n' +
'execute LDREF\n' +
'execute LDREF\n' +
'execute SWAP\n' +
'execute CTOS\n' +
'execute LDU 8\n' +
'execute SWAP\n' +
'execute LSHIFT 3\n' +
'execute LDSLICEX\n' +
'handling exception code 9: cell underflow\n' +
'default exception handler, terminating vm with exit code 9\n',
code: 500