Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1e7b3d6adb4a689d1586ae6975f2bfc1c0db8be9480e25d87dbece9661f5280c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^