Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8a266749cd3cbfc3640f175b39ea4de8e914ad6c2c1ab05576a99a7875abd3f9:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^