Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bbbc1be3fdaf85eb283239a753ed4e1df5f32583f70aab9bd6ef38947c563e49:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^