TofRaw(FrsSci -> Los) @FrsSciTcal level, if mult=1

[audreychatillon]

debug the FrsSciVsLos while compiling

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Mention any issue this PR is resolved or is related to.

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Checklist:

• [x] Rebased against dev branch
• [x] My name is in the resp. CONTRIBUTORS/AUTHORS file
• [x] Followed the pull request guidlines and the Git workflow
• [ ] Followed the seven rules of great commit messages