Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 03213e3cef2b38fa319c6897f378db2f03a9a586eec01e5915f7a91ac8ff51c1:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^