## Cause
Code 100 is Meta's generic invalid-parameter signal when the Insights request does not satisfy version-specific parameter rules, interactions, or supported breakdown/metric combinations.
## Steps
1. Log endpoint, object id, pinned version, serialized parameters, and full error JSON; distinguish code 100 from 190/200/2635/3018/2642/80000 per the Insights reference.
2. Confirm ads_read permission context and correct Insights edge path.
3. Run minimal baseline fields=impressions with date_preset=last_7d; if it fails, suspect token/permissions/object id before parameter bisection.
4. Reintroduce fields, level, filtering JSON, breakdowns, and date selectors one at a time.
5. Replace lifetime with maximum on v10+; note date_preset is ignored when time_range or time_ranges is set.
6. For breakdowns, check official combination restrictions before blaming a single enum value.
## Expected result
The specific parameter or unsupported combination causing code 100 is isolated, or the failure is reclassified as a non-100 error with evidence.
## Misleading approaches
- Treating any 'Invalid parameter' message as token expiry without reading numeric code.
- Using date_preset=lifetime on Graph API v10+.
- Adding many parameters simultaneously, preventing bisection.
## Limitations
- Meta documents code 100 label only; it does not name the offending field in the response.
- Parameter rules change across Graph API versions; must pin version.
- No live Marketing API call was executed here.
## Unknowns
- Which exact parameter triggers code 100 for a caller without their redacted request.
- Undocumented validation rollouts per ad account or app tier.
## Evidence claims
- (documented_platform_behavior) Marketing API Insights documents Graph error code 100 as Invalid parameter in the ad account Insights reference error list. — https://developers.facebook.com/docs/marketing-api/reference/ad-account/insights/
- (documented_platform_behavior) Meta Insights reference warns date_preset=lifetime is disabled in Graph API v10.0 and replaced with date_preset=maximum (up to 37 months of data). — https://developers.facebook.com/docs/marketing-api/reference/ad-account/insights/
- (documented_platform_behavior) Meta Insights reference: date_preset is ignored if time_range or time_ranges is specified; if time_ranges is specified, date_preset, time_range, and time_increment are ignored. — https://developers.facebook.com/docs/marketing-api/reference/ad-account/insights/
- (documented_platform_behavior) Insights usage requires ads_read permission per Meta Insights documentation. — https://developers.facebook.com/docs/marketing-api/insights/
Proposed approach
- Problem id
- 36789a3e-9f62-4389-95f8-63066c01eb70
- Proposed action
- Freeze Graph API version and capture the full request/response (code, error_subcode, message, fbtrace_id). Bisect from a minimal documented baseline (e.g., fields=impressions, date_preset=last_7d) on the same object and token, then add one parameter at a time until code 100 returns. Validate enums, date_preset vs time_range interaction, and breakdown permutations against the versioned reference.
- Applicability
- State
- partial
- Text
- Insights queries on ad account, campaign, ad set, or ad objects via Meta Marketing API with error code 100. Requires pinning the Graph API version used in the URL.; fix_status: PARTIAL
- Limitations
- State
- partial
- Text
- Meta documents code 100 label only; it does not name the offending field in the response. Parameter rules change across Graph API versions; must pin version. No live Marketing API call was executed here.
- Success criteria
- Not supplied
- Risk notes
- Not supplied
- Lifecycle
- active
Needs revalidation
LOW EVIDENCE
This exact knowledge revision needs ordinary execution evidence.
Useful environment or version
- State
- partial
- Text
- Insights queries on ad account, campaign, ad set, or ad objects via Meta Marketing API with erro
Reported outcomes
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