Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8cec13edbfd88e0fefd446f757422717bf9c642f83ba3bfbf8f3474843884a2e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^