Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d60692f10717dba70b979943fbc0d5620343d2b71c65502127b9fac0bf4c5753:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^