Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a54cc60dcb240e04c9de22a197ed83b15e75a87d3f6bc67550d7a932c18bf693:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^