Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3665bda10940ea6b582aa8a5c132ad99b6dcfe7d24b96fd60aed9c2bd06f7065:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^