Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 11e5abfbf5d6ae1aefe00d2192e213b111f52c58e69bd09483f8ea942c50adcc:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^