Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c249be5954669fe6a062e9f947f1bd9aae59d8d0cd723bf02bf30e477bdb6fe2:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^