Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a4fd4e56afcfccd4cd8f86faf776347f07e86ea8a3755819ab5f62227847ce84:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^