Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> da40b6b6ecb5ae7283d89ea89b9c27744b3a7484f27f72549e8c7a6aefbe515d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^