ruvnet/ruflo · error

[MoE] Failed to save weights: ${err}

Error message

[MoE] Failed to save weights: ${err}

What it means

Log warning in saveWeights: serializing or writing the MoE router weights JSON to disk failed; save returns false so callers know the routing state was not persisted while in-memory operation continues.

Source

Thrown at v3/@claude-flow/neural/src/moe-router.ts:706

          b1: Array.from(this.b1),
          W2: W2_2d,
          b2: Array.from(this.b2),
        },
        stats: {
          updateCount: this.updateCount,
          routingCounts: Array.from(this.routingCounts),
          avgReward: this.avgReward,
        },
        metadata: {
          savedAt: new Date().toISOString(),
          expertNames: [...EXPERT_NAMES],
        },
      };

      writeFileSync(weightsPath, JSON.stringify(model, null, 2));
      return true;
    } catch (err) {
      console.warn(`[MoE] Failed to save weights: ${err}`);
      return false;
    }
  }

  /**
   * Reset weights to random initialization
   */
  resetWeights(): void {
    this.W1 = xavierInit(INPUT_DIM, HIDDEN_DIM);
    this.b1.fill(0);
    this.W2 = xavierInit(HIDDEN_DIM, NUM_EXPERTS);
    this.b2.fill(0);
    this.resetStats();
  }

  // ============================================================================
  // Private Methods
  // ============================================================================

View on GitHub (pinned to fa13ee4ad6)

Solutions

1. Check write permissions and disk space for the MoE weights path; saving is retried on the next update.

When it happens

Trigger: Thrown at v3/@claude-flow/neural/src/moe-router.ts:706 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of ruvnet/ruflo@fa13ee4ad6 (2026-08-18). Data as JSON: /api/errors/a20cab2ad74b0531. Report an issue: GitHub.