Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c9c93783dfe6b233580caf21d7470607e58dd0d1e3e2f6f3382cb46aa2d8cbfb:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^