Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9ca08e139fd288ca780ae354d76b14e03ead6bd8b47d84dab2f0cce9a9cfe271:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^