Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 89ca53c6c13e70c649871a7881fd1cb60d09665f2ab26fdac903cfdf81ea5c6e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^