Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1f74e148030f3099111d30db0efcb391b80c9f9568b9817c373bf17a5071c113:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^