Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0907c37501dd903d135b838556a3e3502e22abf952c87439eb862ba09387f17f:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^