Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 978de84c0e6ca60b94eab78dd2f5607258dc5325c27ffff8c8c8984dcce45c38:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^