Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> cb6d3c0888b135584b592a347dedce12d22fcfa54412575758fa980fd390d621:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^