Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1b1270a738a7097b4b825dd28069b276f6f1830f04adfffb85e5c581eb6375a3:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^