Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c424628604cae53ff09eb2331201ec6f045dac4833757150d1215dc3f6fe6d76:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^