Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 16600716de1e6fad0fcf38527c1fdea5c8cda2f72d1a1cfa0a2627598a0ea137:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^