Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a08ec992c3c942e6f68bb1dd7748818c6034265b4c3bbd7e38fc8c37ef15f99b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^