Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 23a78f73fdea7f32b3c56cba15739cc109066118bceed2c6b060a54fec97bfdd:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^