Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6b3ebb8d253539d5aec2c7a87b44143c00319296dfd223db573a081bfd60bdc5:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^