Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> fa2457bbb688d6aa894749fb58b24309a049801466c213d2a9aefa7910641cff:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^