Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 828d00263a94cd5ed8f347cfda91dc0d1d7d8c58524d7db02d6bdc93762bef97:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^