Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 39cab49b4c4a07bdc6fc852bceb8dadac4105bd80136ce4826f25081222d8b02:14:28
   |
14 |                             let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^