Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d8e40d6f56152f1dd1c4ad139ba771245b92ba640b3677641671147f8f47a22e:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^