Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4fa09900c99b01d26a088db99aa27903ae9fba73bdbbca43a810aec7071b8361:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^