Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a636c9b0ce8ff5138955a34c72c8aeea560efd9f481ab05a1315f2114f491d15:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^