Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 76bbab50fc0614257a0c176d205c68363bc09515d41b3aefd2ab155cb73cf092:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^