problem = requestShortener => {
				const missingChunksList = Array.from(
					new Set(missingChunks.map(chunk => chunk.name || "unnamed chunk(s)"))
				).sort();
				const chunks = Array.from(
					new Set(
						Array.from(chunkGraph.getModuleChunksIterable(module)).map(
							chunk => chunk.name || "unnamed chunk(s)"
						)
					)
				).sort();
				return `Module ${module.readableIdentifier(
					requestShortener
				)} is not in the same chunk(s) (expected in chunk(s) ${missingChunksList.join(
					", "
				)}, module is in chunk(s) ${chunks.join(", ")})`;
			}
@param {RequestShortener} requestShortener request shortener
@returns {string} problem description