Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 79545816b25ef3f64fe84fc7abc50a62a14f1f8667d02c61ddd55d5d91fad08c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^