Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9b2cb12aee060f2f1ab3b729a2b2b5fb384ba72065a8f8c694c0d80d7bfc8cef:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^